| I. Plastics are generally good conductors of electricity. |
| II. Ropes made by bake lite are used in cranes and elevators. |
| III. Teflon is a special plastic on which oil and water do not stick. |
| IV. Plastic is non-biodegradable, hence not environment friendly. |
A)
(i)
(ii)
(iii)
(iv)
T
T
F
F
B)
(i)
(ii)
(iii)
(iv)
F
F
T
T
C)
(i)
(ii)
(iii)
(iv)
T
F
T
F
D)
(i)
(ii)
(iii)
(iv)
F
T
F
T
Correct Answer: B
Solution :
Ropes made by nylon are used in cranes and elevators.
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