Question

V. Very Short Answer Questions.
1. What is the monomer of polythene?
2. Name a synthetic fibre which resembles wool.
3. Which property of perspex is used for making lenses?
4. Name a type of plastic which is flame resistant.
5. Why is polystyrene used as an insulating material in refrigerators?​

Answer 1

Answer:

1. ethylene
2. orlan or acrilan

Answer 2

Answer:

1- ethylene or ethane

2-Acrylic

3-It has good transmission properties

4-the the most common flame retardant plastic attitudes are brominated flame retardants are oreganohalogen compounds

5-because it is inert (doesn't react with other materials), cost-effective and long-lasting.