Question

B. Tick () the correct answer.
1. The fibre that burns readily with the smell of burning paper is
(a) polyester
(b) cotton
(c) rayon
2 (d) acrylic
2. The plastic which cannot be recycled is
(a) terylene
(b) polystyrene
(c) bakelite
(d) polythene
3. Which of the following is a polymer of tetrafluoroethene?
(a) PVC
(b) teflon
(c) bakelite
(d) nylon
4. Which of the following is a biodegradable substance ?
(a) DDT
(b) teflon
(c) leftover food
(d) aluminium​

Answer 1

Answer:

hey mate

Explanation:

1 B

2 C

3 D

4 C

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