Is Polyester Synthetic or Artificial Fibres that are made by human beings are called syntheticfibres. Most synthetic fibres are obtained from coal, petroleum, and natural gas. Rayon, nylon, polyester, acrylic, and spandex are examples of synthetic fibres. Polyester Polyester is of different types. The most commonly used polyester is Terylene. It is blended with natural … [Read more...] about Is Polyester Synthetic or Artificial
Uses
Properties and Uses of Ethanoic Acid
Properties and Uses of Ethanoic AcidEthanoic acid (Acetic acid) CH3COOH : Ethanoic acid is most commonly known as acetic acid. Its dilute solution in water (5-8%) is known as vinegar, which is used for preserving food-sausage, pickles etc.Physical properties : (i) Ethanoic acid is vinegar smelling liquid. The lower carboxylic acids are liquids whereas higher ones … [Read more...] about Properties and Uses of Ethanoic Acid
Properties and Uses of Ethanol
Properties and Uses of Ethanol Physical Properties of Ethanol : (i) Pure ethanol is a colourless liquid. (ii) It has a specific smell and burning taste (iii) Its boiling point is 351 K which is higher than corresponding alkanes (iv) It is soluble in water. i.e., it is miscible with water in all proportions.Chemical properties of Ethanol : (i) Dehydration … [Read more...] about Properties and Uses of Ethanol
What are Synthetic Fibres and give some Examples
What are Synthetic Fibres and give some Examples Most clothing materials or fabrics we use in our day-to-day lives are made from thin, thread-like fibres. Fibres can be either natural or artificial. Natural fabrics have been used for clothing since ancient times. But nowadays, synthetic fibres are largely used for clothing and other purposes. Synthetic fibres Fibres that … [Read more...] about What are Synthetic Fibres and give some Examples