The material known in commerce as Terylene is a
A). Synthetic fibre
B). Natural fibre
C). Modified natural fibre
D). Blend of cotton and silk
Synthetic fibre
Terylene is the name for a synthetic polyester fibre. It is a synthetic polyester fibre or fabric based on terephthalic acid, characterized by lightness and crease resistance and used for clothing, sheets, ropes, sails, etc.
1. The chemical name of bakin soda is
2. Which type of radiations are absorbed by the upper layer of the atmosphere?
3. Question 5.6:What is the role of desorption in the process of catalysis?
4. Question 3.29:Write the general outer electronic configuration of s-, p-, d- and f- block elements.
5. Vulcanization of rubber is carried out by adding
6. The advantage of detergents over soaps is
7. Greenhouse effect is caused by
8. Which of the following is biodegradable ?