Question

B. Tick () the correct answer.
1. The fibre that burns readily with the smell of burning paper is
(a) polyester
(c) rayon
(b) cotton
U (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
O (b) teflon
(c) bakelite
(d) nylon
4. Which of the following is a biodegradable substance ?
(a) DDT
(b) teflon
(c) leftover food
D (d) aluminium​

Answer 1

Answer:

1) (B)COTTON,

2) (C)BAKELITE

3) (D)NYLON

4) (C)LEFTOVER FOOD