{"id":36103,"date":"2022-12-27T10:00:41","date_gmt":"2022-12-27T04:30:41","guid":{"rendered":"https:\/\/www.aplustopper.com\/?p=36103"},"modified":"2022-12-28T09:53:36","modified_gmt":"2022-12-28T04:23:36","slug":"plus-two-chemistry-model-question-papers-paper-4","status":"publish","type":"post","link":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/","title":{"rendered":"Plus Two Chemistry Model Question Papers Paper 4"},"content":{"rendered":"

Plus Two Chemistry Model Question Papers Paper 4 are part of Plus Two Chemistry Previous Year Question Papers and Answers<\/a>. Here we have given Plus Two Chemistry Model Question Papers Paper 4.<\/p>\n\n\n\n\n\n\n
Board<\/strong><\/td>\nSCERT<\/td>\n<\/tr>\n
Class<\/strong><\/td>\nPlus Two<\/td>\n<\/tr>\n
Subject<\/strong><\/td>\nChemistry<\/td>\n<\/tr>\n
Category<\/strong><\/td>\nPlus Two Previous Year Question Papers<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Plus Two Chemistry Model Question Papers Paper 4<\/h2>\n

Time: 2 Hours <\/strong>
\nCool off time: 15 Minutes<\/strong>
\nMaximum: 60 Scores<\/span><\/strong><\/p>\n

General Instructions to candidates<\/strong><\/p>\n

    \n
  • There is a \u2018cool off time\u2019 of 15 minutes in addition to the writing time of 2 hrs.<\/li>\n
  • Use the \u2018cool off time\u2019 to get familiar with the questions and to plan your answers.<\/li>\n
  • Read questions carefully before you answering.<\/li>\n
  • Read the instructions carefully.<\/li>\n
  • Calculations, figures, and graphs should be shown in the answer sheet itself.<\/li>\n
  • Malayalam version of the questions is also provided.<\/li>\n
  • Give equations wherever necessary.<\/li>\n
  • Electronic devices except non-programmable calculators are not allowed in the Examination Hall.<\/li>\n<\/ul>\n

    \"Plus<\/p>\n

    (Questions 1 to 7): Carry one score each. Answer all questions.
    \n\"Plus
    \n<\/strong><\/p>\n

    Question 1.
    \nSaline water is a solution.
    \n\"Plus
    \na. Isotonic
    \nb. Hypertonic
    \nc. Hypotonic
    \nd. Heavy water<\/p>\n

    Question 2.
    \nName the law which states that partial pressure of a gas is directly proportional to its mole fraction.
    \n\"Plus<\/p>\n

    Question 3.
    \nA crystalline solid
    \n\"Plus
    \na. changes abruptly from solid to liquid
    \nb. has no definite melting point
    \nc. Undergoes deforestation of its geometry easily
    \nd. has an irregular 3dimensional arrangement.<\/p>\n

    Question 4.
    \nGalvanization of iron denotes coating with
    \n\"Plus
    \na. Al
    \nb. Sn
    \nc. Cd
    \nd. Zn<\/p>\n

    Question 5.
    \nWrite an example of an emulsion.
    \n\"Plus<\/p>\n

    Question 6.
    \nThe formation of micelles takes place on above
    \n\"Plus
    \na. Inversion temperature
    \nb. Boyle temperature
    \nc. Critical temperature
    \nd. Kraft temperature<\/p>\n

    Question 7.
    \nComplete the reaction.
    \n\"Plus
    \n\"Plus<\/p>\n

    (Questions 8 to 20) : Answer any ten. Each questions carries two scores.
    \n\"Plus
    \n<\/strong><\/p>\n

    Question 8.
    \nVapour pressure of a solution is different from that of the pure solvent.
    \ni. Name the law which helps us to determine partial vapour pressure of a volatile component in solution.
    \nii. State the above law?
    \n\"Plus<\/p>\n

    Question 9.
    \nZero-order reaction means that the rate of a reaction is independent of the concentration of reactants.
    \ni. Write an example of a zero order reaction.
    \nii. Write the integral rate expression for the zero order reaction, R \u2192 P
    \n\"Plus<\/p>\n

    Question 10.
    \na. How will you distinguish primary and secondary alcohols using Luca\u2019s test?
    \nb. Write the correct pair of reactants for the preparation of butyl ethyl ether by Williamson synthesis.
    \n\"Plus<\/p>\n

    Question 11.
    \nTwo chemical reactions are given below:
    \n1. Identify the products of each reaction.
    \n2. Give the name of each reaction.
    \n\"Plus<\/p>\n

    Question 12.
    \n200 cm3<\/sup> of an aqueous solution of a protein contains 1.26 g of protein. The osmotic pressure of a solution of 300 K is found to be 8.3 \u00d7 10-2<\/sup> bar. Calculate the molar mass of protein. (R= 0.083 L bar K-1<\/sup> mol-1<\/sup>)
    \n\"Plus<\/p>\n

    Question 13.
    \ni. The number of moles of the solute per kilogram of the solvent is
    \na. Mole fraction
    \nb. Molality
    \nc. Molarity
    \nd. Molar mass
    \nii. \u2018The extent to which a solute is dissociated or associated can be expressed by Can’t Hoff factor.\u2019 Substantiate the statement.
    \n\"Plus<\/p>\n

    Question 14.
    \nPresence of excess sodium makes NaCl crystal coloured. Explain on the basis of crystal defects.
    \n\"Plus
    \n\"Plus<\/p>\n

    Question 15.
    \nExplain the following:
    \ni. Esterification
    \nii. Williamson Synthesis
    \n\"Plus<\/p>\n

    Question 16.
    \nAldehydes, Ketones and Acids contain
    \n\"Plus
    \na. Name the product obtained by the reaction between Acetic acid and Ethanol.
    \nb. Give any two tests to distinguish between aldehydes and ketones.
    \n\"Plus<\/p>\n

    Question 17.
    \na. Among the following which is not a colligative property?
    \ni. Osmotic pressure
    \nii. Bevation of boiling point
    \niii. Vapour pressure
    \niv. Depression of freezing point
    \nb. What is the significance of Can’t Hoff factor?
    \n\"Plus
    \n\"Plus<\/p>\n

    Question 18.
    \nOne of the fuel cells uses the reaction of hydrogen and oxygen to form water. Write down the cell reaction taking place in the anode and cathode of that fuel cell.
    \n\"Plus<\/p>\n

    Question 19.
    \nThe vapour pressure of pure benzene at a certain temperature is 0.850 bar. A non-volatile, nonelectrolyte solid weighing 0.5g when added to 39 g of benzene (molar mass 78 g\/mol), vapour pressure becomes 0.845 bar. What is the molar mass of the solid substance?
    \n\"Plus<\/p>\n

    Question 20.
    \na. Write down the ionization isomer of [CO(NH3<\/sub>)5<\/sub>Cl] SO4<\/sub>
    \nb. Write the IUPAC name of the above compound.
    \n\"Plus<\/p>\n

    (Questions 21 to 29): Answer any seven. Each question carries three scores.
    \n\"Plus
    \n<\/strong><\/p>\n

    Question 21.
    \ni. Which of the following oxidation state is ! not shown by Manganese?
    \na. + 1
    \nb. +2
    \nc. +4
    \nd. +7
    \nii. Represent the structure of dichromate ion.
    \niii. Potassium permanganate (KMnO4<\/sub>) is a strong oxidizing agent. Write any two oxidizing reactions of KMnO4<\/sub>.
    \n\"Plus<\/p>\n

    Question 22.
    \nAccount for the following:
    \ni. H2<\/sub>O is a liquid while H2S is a gas.
    \nii. Noble gases have very low boiling points.
    \niii. NO2<\/sub> dimerises to N2<\/sub>O4<\/sub>.
    \n\"Plus<\/p>\n

    Question 23.
    \nHow will you bring below the following conversions? (Write the chemical equations)
    \ni. Ethanol \u2192 Ethanoic acid
    \nii. Benzamide \u2192 benzoic acid
    \niii. Benzaldehyde \u2192 meta nitro benzaldehyde
    \n\"Plus<\/p>\n

    Question 24.
    \nAmines are classified as primary, secondary and tertiary.
    \na. Write the IUPAC name of the following compound: NH2<\/sub>-(CH2<\/sub>)6<\/sub> NH2<\/sub>
    \nb. Which is stronger base CH3<\/sub>NH2<\/sub> or C6<\/sub>H5<\/sub>NH2<\/sub>? Why?
    \n\"Plus
    \n\"Plus<\/p>\n

    Question 25.
    \na. Which named reaction is used to reduce CH3<\/sub>COCl to CH3<\/sub>CHO?
    \nb. Aldehydes and Ketones undergo reactions due to the presence of hydrogen I atom.
    \ni. Write the name of the reaction of aldehydes which take place only because of the presence of a hydrogen atom.
    \nii. How will you bring about the above reaction?
    \n\"Plus<\/p>\n

    Question 26.
    \nAmines are classified as a primary, secondary and tertiary amine.
    \na. How will you convert nitrobenzene to aniline?
    \nb. Represent the structure of secondary and tertiary amine.
    \nc. Aniline does not undergo Friedel Craft\u2019s reaction. Why?
    \n\"Plus<\/p>\n

    Question 27.
    \nNucleophilic substitution reactions are of two types of SN reactions and SN reactions,
    \na. Write any 2 differences between \\({ S }_{ N }^{ 1 }\\) and \\({ S }_{ N }^{ 2 }\\) reactions.
    \nb. Write any 2 reasons for the less reactivity of aryl halides towards nucleophilic substitution reactions.
    \n\"Plus
    \n\"Plus<\/p>\n

    Question 28.
    \nPrimary, secondary and tertiary amines can be distinguished using Hinsberg\u2019s reagent.
    \ni. What is Hinsberg\u2019s reagent?
    \nii. How will you distinguish primary, secondary and tertiary amines using Hinsberg\u2019s reagent?
    \n\"Plus<\/p>\n

    Question 29.
    \nSchottky defects and Frenkel defects are two stoichiometric defects shown by crystals.
    \ni. Classify the following crystals into those showing Schottky defects and Frenkel defects: NaCl, AgCl, CsCl, CdCl2<\/sub>
    \nii. Name a crystal showing both Schottky defect and Frenkel defect.
    \n\"Plus<\/p>\n

    (Questions 30 to 33): Answer any three. Each question carries four scores.
    \n\"Plus
    \n<\/strong><\/p>\n

    Question 30.
    \na. Account for the following:
    \ni. NH3<\/sub> acts as a Lewis base.
    \nii. PCl3<\/sub> fumes in moist air.
    \nb.
    \ni. Suggest any two fluorides of Xenon.
    \nii. Write a method to prepare any one of the above-mentioned Xenon fluorides.
    \n\"Plus<\/p>\n

    Question 31.
    \nSome elements in block show allotropy.
    \na. What are the allotropic forms of sulphur?
    \nb.
    \ni. How will you manufacture sulphuric acid by contact process?
    \nii. What is an interhalogen compound?
    \n\"Plus<\/p>\n

    Question 32.
    \nPotassium dichromate is an orange coloured crystal and is an important compound used as an oxidant in many reactions.
    \na. How do you prepare K2<\/sub>Cr2<\/sub>O7<\/sub> from chromite ore?
    \nb. How will you account for the colour of ! potassium dichromate crystals?
    \n\"Plus<\/p>\n

    Question 33.
    \na. Most important chemical reactions of haloalkanes are their substitution reactions.
    \ni. What is \\({ S }_{ N }^{ 1 }\\) reaction?
    \nii. Arrange the four isomeric Bromo butanes in the increasing order of their reactivity towards SN1 reaction.
    \nb. How will you prepare chlorobenzene from benzene diazonium chloride?
    \n\"Plus<\/p>\n

    Answers<\/strong><\/p>\n

    Answer 1.
    \nhypertonic<\/p>\n

    Answer 2.
    \nHenry\u2019s law<\/p>\n

    Answer 3.
    \na<\/p>\n

    Answer 4.
    \nd<\/p>\n

    Answer 5.
    \nMIlk<\/p>\n

    Answer 6.
    \nd<\/p>\n

    Answer 7.
    \nBakelite<\/p>\n

    Answer 8.
    \ni. Raoult\u2019s law.
    \nii. For a solution of volatile liquids, the partial vapour pressure of each component \u00a1n the solution is directly proportional to its mole fraction of component in the solution.<\/p>\n

    Answer 9.
    \ni. Decomposition of ammonia gas on a hot platinum surface.
    \nii. K = [R0<\/sub>]-[R]; where R0<\/sub> is the initial concentration of the reactants, R is the concentration at a time and K is the rate constant.<\/p>\n

    Answer 10.
    \na. Alcohols are soluble in Lucas reagent and their halides are immiscible and form turbidity 3\u00b0 alcohols produce turbidity immediately 2\u00b0 alcohols produce turbidity within a few minutes whereas 1\u00b0 alcohol does not produce turbidity at all at room temperature.
    \n\"Plus<\/p>\n

    Answer 11.
    \n\"Plus
    \n2. Clemmensen reduction, Gattermann Koch reaction.<\/p>\n

    Answer 12.
    \n\"Plus<\/p>\n

    Answer 13.
    \ni. b. Molality
    \nii. In the case of dissociation, the observed molecular weight has a lower value than the normal molecular weight while in the case of an association, the observed molecular weight is higher than the normal molecular weight. In order to explain such j abnormal cases, Can’t Hoff factor is used. This factor is defined as
    \n\"Plus<\/p>\n

    Answer 14.
    \nPresence of excess sodium makes NaCl crystal coloured, this is caused by metal excess defect due to anionic vacancies. When NaCl crystal is heated in an atmosphere of sodium vapour, the sodium j atoms are deposited on the surface of the crystal and combine with Na atoms to give NaCl. The released electrons diffuse into the crystal and occupy an anionic site. As a result of the crystal now has an excess of sodium. The anionic sites occupied unpaired electrons are F centres. They impart a yellow colour to the crystals of NaCl.<\/p>\n

    Answer 15.
    \ni. Alcohols and phenols react with carboxylic acids, acid chlorides and acid anhydrides to form esters.
    \n\"Plus
    \nii. It is an important laboratory method for the preparation of symmetrical and unsymmetrical ethers. In this method, an alkyl halide is allowed to react with sodium alkoxide.<\/p>\n

    Answer 16.
    \na. Acetic acid and ethanol react in the presence of H2<\/sub>SO4<\/sub>\/H2<\/sub>O to form ethyl acetate. This is called esterification.
    \n\"Plus
    \nb. Aldehydes answer Tollen\u2019s test. On warming an aldehyde with Tollen\u2019s reagent, a bright silver mirror is produced due to the formation of silver metal. Ketones do not answer this test, in presence of HCl.
    \n\"Plus
    \nFehling\u2019s test: Aldehydes on heating with Fehling\u2019s solution give a reddish brown precipitate. Ketones do not answer this.
    \n\"Plus<\/p>\n

    Answer 17.
    \na. Vapour pressure.
    \nb. In the case of dissociation, the observed molecular weight has a lower value than the normal molecular weight while in the case of an association, the observed molecular weight is higher than the normal molecular weight. In order to explain such abnormal cases, Can\u2019t Hoff factor is used.<\/p>\n

    Answer 18.
    \nThe electrode reactions are:
    \n\"Plus<\/p>\n

    Answer 19.
    \n\"Plus<\/p>\n

    Answer 20.
    \na. [Co(NH3<\/sub>)5<\/sub>SO4<\/sub>]Cl
    \nb. Pentaamminesulphatocobalt (II) chloride<\/p>\n

    Answer 21.
    \n\"Plus<\/p>\n

    Answer 22.
    \ni. Due to the presence of H-bonding in between H2<\/sub>O molecule they exist as a liquid. But no such H bonding is there In H2<\/sub>S due to less electronegative nature and large size compared to oxygen.
    \nii. Noble gases being monoatomic have no interatomic forces except weak dispersion forces and therefore, they are liquefied at very low temperatures. Hence, they have low melting points.
    \niii. NO2<\/sub> contains an odd number of valence electrons. It behaves as a typical odd molecule. On dimerisation, it is converted to stable N.O. molecule with an even number of electrons.<\/p>\n

    Answer 23.
    \n\"Plus<\/p>\n

    Answer 24.
    \na. Hexane 1,6 diamine.
    \nb. The stronger base is CH3<\/sub>NH2<\/sub>. Presence of + 1 group (CH3<\/sub>) increases the electron density on Natom and thus basicity increases.<\/p>\n

    Answer 25.
    \na. Rosenmund reduction.
    \nb.
    \ni. Aldol condensation.
    \nii. Aldehydes and ketones having at least one a hydrogen atom in presence of dilute alkali given hydroxy aldehydes.
    \n\"Plus<\/p>\n

    Answer 26.
    \n\"Plus
    \n\"Plus
    \nc. The catalyst in FriedalCraft\u2019s reaction is any. AlCl3<\/sub>, it, is a Lewis acid so get coordinated with electron pair of N atom in aniline. So an electrophile cannot attack the ring.<\/p>\n

    Answer 27.
    \na.<\/p>\n\n\n\n\n\n
    \\({ S }_{ N }^{ 1 }\\)<\/td>\n\\({ S }_{ N }^{ 2 }\\)<\/td>\n<\/tr>\n
    The rate of the reaction depends only on the molar concentration of the substrate.<\/td>\nRate depends on the molar concentration of the alkyl halide and the OFF ions.<\/td>\n<\/tr>\n
    Takes place in two steps.<\/td>\nTakes place in a sin\u00adgle step.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    b.
    \n1) Aryl halides are electron rich.
    \n2) In aryl halides, the halogen is attached to an sp2 hybridised C, which is highly stable.<\/p>\n

    Answer 28.
    \ni. Benzene sulphonyl chloride.
    \nii. 1\u00b0 amine react with Flinsberg\u2019s reagent to form sulphonamides which is soluble in alkali. 2\u00b0 amines react with Hinsberg\u2019s reagent forming sulphonamides insoluble in alkali. 3\u00b0 amines do not react with Flinsberg\u2019s reagent.<\/p>\n

    Answer 29.
    \ni. Schottky defect : NaCl, CsCl Frenkel defect: AgCl, CdCl2<\/sub>
    \nii. AgBr.<\/p>\n

    Answer 30.
    \na. i. The nitrogen atom in NFH3<\/sub> has one lone pair of electrons which is available for donation. So it acts as a Lewis base,
    \nii. PCl3<\/sub> undergo hydrolysis in presence of moisture giving fumes of HCl.
    \n\"Plus
    \nb.
    \n\"Plus<\/p>\n

    Answer 31.
    \na. Rhombic sulphur or sulphur and monoclinic sulphur or p sulphur,
    \nb.
    \ni. Contact process.
    \nBurning of sulphur in the air to generate SO2<\/sub>. Conversion of SO2\u00a0<\/sub>to SO3\u00a0<\/sub>by there action with oxygen in the presence of a catalyst (V2<\/sub>O5<\/sub>).
    \nAbsorption of SO3<\/sub> in H2<\/sub>S04<\/sub> to give Oleum. Oleum with water gives H2<\/sub>SO4<\/sub>.
    \nii. Halogens can react themselves to form binary compounds known as interhalogen compounds. They are more reactive than halogens because in the difference in electronegativity of the combining halogens.<\/p>\n

    Answer 32.
    \na. K2<\/sub>Cr2\u00a0<\/sub>O7<\/sub>\u00a0is prepared from chromite ore by heating with Na2<\/sub>CO3<\/sub> in the presence of air when sodium chromate is formed.
    \n\"Plus
    \nThe soluble Na2<\/sub>CrO4<\/sub> on acidification with H2<\/sub>SO4<\/sub> produces sodium dichromate which on treating with KCl gives potassium dichromate.
    \n\"Plus
    \n\"Plus<\/p>\n

    b. Coloured property of potassium dichromate is due to the presence of unpair electron when light falls on the compound the unpair electron undergoes dd electron transmission. This creates the colour for the potassium dichromate.<\/p>\n

    Answer 33.
    \na. i. First, the carbocation is formed (slow, rate determining) and then nucleophile attacks (fast). Order of reactivity of alkyl halides is 3\u00b0> 2\u00b0 > 1 \u201c(due to decreasing stability of carbocation). It results in racemization. ie., retention as well as inversion.
    \n\"Plus<\/p>\n

    We hope the Plus Two Chemistry Model Question Papers Paper 4 help you. If you have any query regarding Plus Two Chemistry Model Question Papers Paper 4, drop a comment below and we will get back to you at the earliest.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Plus Two Chemistry Model Question Papers Paper 4 are part of Plus Two Chemistry Previous Year Question Papers and Answers. Here we have given Plus Two Chemistry Model Question Papers Paper 4. Board SCERT Class Plus Two Subject Chemistry Category Plus Two Previous Year Question Papers Plus Two Chemistry Model Question Papers Paper 4 Time: […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[42728],"tags":[],"yoast_head":"\nPlus Two Chemistry Model Question Papers Paper 4 - A Plus Topper<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plus Two Chemistry Model Question Papers Paper 4\" \/>\n<meta property=\"og:description\" content=\"Plus Two Chemistry Model Question Papers Paper 4 are part of Plus Two Chemistry Previous Year Question Papers and Answers. Here we have given Plus Two Chemistry Model Question Papers Paper 4. Board SCERT Class Plus Two Subject Chemistry Category Plus Two Previous Year Question Papers Plus Two Chemistry Model Question Papers Paper 4 Time: […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/\" \/>\n<meta property=\"og:site_name\" content=\"A Plus Topper\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/aplustopper\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-27T04:30:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-28T04:23:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kalyan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.aplustopper.com\/#organization\",\"name\":\"Aplus Topper\",\"url\":\"https:\/\/www.aplustopper.com\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/aplustopper\/\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.aplustopper.com\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg\",\"contentUrl\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg\",\"width\":1585,\"height\":375,\"caption\":\"Aplus Topper\"},\"image\":{\"@id\":\"https:\/\/www.aplustopper.com\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.aplustopper.com\/#website\",\"url\":\"https:\/\/www.aplustopper.com\/\",\"name\":\"A Plus Topper\",\"description\":\"Improve your Grades\",\"publisher\":{\"@id\":\"https:\/\/www.aplustopper.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.aplustopper.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png\",\"contentUrl\":\"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage\",\"url\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/\",\"name\":\"Plus Two Chemistry Model Question Papers Paper 4 - A Plus Topper\",\"isPartOf\":{\"@id\":\"https:\/\/www.aplustopper.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage\"},\"datePublished\":\"2022-12-27T04:30:41+00:00\",\"dateModified\":\"2022-12-28T04:23:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.aplustopper.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Plus Two Chemistry Model Question Papers Paper 4\"}]},{\"@type\":\"Article\",\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage\"},\"author\":{\"@id\":\"https:\/\/www.aplustopper.com\/#\/schema\/person\/b82e489789d83ccf01d664235804eb43\"},\"headline\":\"Plus Two Chemistry Model Question Papers Paper 4\",\"datePublished\":\"2022-12-27T04:30:41+00:00\",\"dateModified\":\"2022-12-28T04:23:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage\"},\"wordCount\":2279,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.aplustopper.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png\",\"articleSection\":[\"HSSLiVE\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#respond\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.aplustopper.com\/#\/schema\/person\/b82e489789d83ccf01d664235804eb43\",\"name\":\"Kalyan\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.aplustopper.com\/#personlogo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a08b17f948aaea19c0551b8ee4b91ca0?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a08b17f948aaea19c0551b8ee4b91ca0?s=96&d=mm&r=g\",\"caption\":\"Kalyan\"},\"url\":\"https:\/\/www.aplustopper.com\/author\/kalyan\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Plus Two Chemistry Model Question Papers Paper 4 - A Plus Topper","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/","og_locale":"en_US","og_type":"article","og_title":"Plus Two Chemistry Model Question Papers Paper 4","og_description":"Plus Two Chemistry Model Question Papers Paper 4 are part of Plus Two Chemistry Previous Year Question Papers and Answers. Here we have given Plus Two Chemistry Model Question Papers Paper 4. Board SCERT Class Plus Two Subject Chemistry Category Plus Two Previous Year Question Papers Plus Two Chemistry Model Question Papers Paper 4 Time: […]","og_url":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/","og_site_name":"A Plus Topper","article_publisher":"https:\/\/www.facebook.com\/aplustopper\/","article_published_time":"2022-12-27T04:30:41+00:00","article_modified_time":"2022-12-28T04:23:36+00:00","og_image":[{"url":"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png"}],"twitter_card":"summary","twitter_misc":{"Written by":"Kalyan","Est. reading time":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/www.aplustopper.com\/#organization","name":"Aplus Topper","url":"https:\/\/www.aplustopper.com\/","sameAs":["https:\/\/www.facebook.com\/aplustopper\/"],"logo":{"@type":"ImageObject","@id":"https:\/\/www.aplustopper.com\/#logo","inLanguage":"en-US","url":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg","contentUrl":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg","width":1585,"height":375,"caption":"Aplus Topper"},"image":{"@id":"https:\/\/www.aplustopper.com\/#logo"}},{"@type":"WebSite","@id":"https:\/\/www.aplustopper.com\/#website","url":"https:\/\/www.aplustopper.com\/","name":"A Plus Topper","description":"Improve your Grades","publisher":{"@id":"https:\/\/www.aplustopper.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.aplustopper.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage","inLanguage":"en-US","url":"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png","contentUrl":"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png"},{"@type":"WebPage","@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage","url":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/","name":"Plus Two Chemistry Model Question Papers Paper 4 - A Plus Topper","isPartOf":{"@id":"https:\/\/www.aplustopper.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage"},"datePublished":"2022-12-27T04:30:41+00:00","dateModified":"2022-12-28T04:23:36+00:00","breadcrumb":{"@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.aplustopper.com\/"},{"@type":"ListItem","position":2,"name":"Plus Two Chemistry Model Question Papers Paper 4"}]},{"@type":"Article","@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#article","isPartOf":{"@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage"},"author":{"@id":"https:\/\/www.aplustopper.com\/#\/schema\/person\/b82e489789d83ccf01d664235804eb43"},"headline":"Plus Two Chemistry Model Question Papers Paper 4","datePublished":"2022-12-27T04:30:41+00:00","dateModified":"2022-12-28T04:23:36+00:00","mainEntityOfPage":{"@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#webpage"},"wordCount":2279,"commentCount":0,"publisher":{"@id":"https:\/\/www.aplustopper.com\/#organization"},"image":{"@id":"https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#primaryimage"},"thumbnailUrl":"https:\/\/farm5.staticflickr.com\/4913\/32693051658_7da6feb481_o.png","articleSection":["HSSLiVE"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.aplustopper.com\/plus-two-chemistry-model-question-papers-paper-4\/#respond"]}]},{"@type":"Person","@id":"https:\/\/www.aplustopper.com\/#\/schema\/person\/b82e489789d83ccf01d664235804eb43","name":"Kalyan","image":{"@type":"ImageObject","@id":"https:\/\/www.aplustopper.com\/#personlogo","inLanguage":"en-US","url":"https:\/\/secure.gravatar.com\/avatar\/a08b17f948aaea19c0551b8ee4b91ca0?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a08b17f948aaea19c0551b8ee4b91ca0?s=96&d=mm&r=g","caption":"Kalyan"},"url":"https:\/\/www.aplustopper.com\/author\/kalyan\/"}]}},"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/posts\/36103"}],"collection":[{"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/comments?post=36103"}],"version-history":[{"count":1,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/posts\/36103\/revisions"}],"predecessor-version":[{"id":154322,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/posts\/36103\/revisions\/154322"}],"wp:attachment":[{"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/media?parent=36103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/categories?post=36103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aplustopper.com\/wp-json\/wp\/v2\/tags?post=36103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}