Frank ICSE Solutions for Class 9 Chemistry - Practical Work PAGE NO :170 Solution 1: On heating certain solids they don't melt and directly get converted to their gaseous form, this process of direct conversion of solids to their gaseous form is called as sublimation. For ex: camphor and ammonium chloride undergo sublimation.Solution 2: Decrepitation is a process of … [Read more...] about Frank ICSE Solutions for Class 9 Chemistry – Practical Work
Frank ICSE Class 9 Solutions
Frank ICSE Solutions for Class 9 Chemistry – Atmospheric Pollution
Frank ICSE Solutions for Class 9 Chemistry - Atmospheric Pollution PAGE NO :158 Solution 1: Acid rain is the rain that has an excessive amount of acid in it than that of normal. Two air pollutants that cause acid rain are-Oxides of nitrogenOxides of sulphurSolution 2: Acid rain is responsible for retarding forest's growth and other vegetation. … [Read more...] about Frank ICSE Solutions for Class 9 Chemistry – Atmospheric Pollution
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism PAGE NO: 323 Solution 1: Positive and negative are the two kind of charges.Solution 2: Net charge on an atom is zero.Solution 3: 10 is the number of electrons present in Na+.Solution 4: An atom does not have any net charge while ion is either a positive charge or a negative … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Magnestism
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism: Magnestism PAGE NO: 320 Solution 1: Natural magnet is the deposits of the iron ore which has the attracting property of iron The properties of natural magnet are :The magnet has the directive property, when it is suspended freely , it always come in north-south direction. A magnet attracts … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Magnestism
Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Current Electricity
Frank ICSE Solutions for Class 9 Physics - Electricity and Magnetism: Current Electricity PAGE NO: 312 Solution 1: The flow of electrons in a particular direction in a conductor is called an electric current.Solution 2: An electric cell is the source of electric current in which chemical energy changes to electrical energy.Solution 3: The charge on an electron is … [Read more...] about Frank ICSE Solutions for Class 9 Physics – Electricity and Magnetism: Current Electricity