Question

4. Give example W
5. Explain why plastic containers are favoured for storing food.
6. Explain the difference between thermoplastic and thermosetting plastics.
7. Explain why the following are made of thermosetting plastics.
(a) Saucepan handles
(b) Electric plugs/switches/plug boards
8. Categorise the materials of the following products into 'can be recycled'
and cannot be recycled'.
Telephone instruments, plastic toys, cooker handles, carry bags, ball point
pens, plastic bowls, plastic covering on electrical wires, plastic chairs,
electrical switches.
9. Rana wants to buy shirts for summer. Should he buy cotton shirts or
shirts made from synthetic material? Advise Rana, giving your reason.
10. Give examples to show that plastics are noncorrosive in nature.
11. Should the handle and bristles of a tooth brush be made of the same
material? Explain your answer.
12. 'Avoid plastics as far as possible'. Comment on this advice.​

Answer 1

I didn't understood q4 but I have sent you rest of the questions

hope this will work

please mark me as brainliest.