Question

1. Full form of CFCs is :
(a) Carbon fluorine carbonates (b) Chlorofluorocarbons
(c) Carbonaceous fuels
(d) None of these.
2. Released through vehicular exhaust :
(a) Sulphur oxides
(b) Nitrogen oxides
(C) Smoke
(d) None of these.
3. Which gas cause global warming ?
(a) Carbon dioxide
(b) Carbon monoxide
(C) Sulphur dioxide
(d) Ammonia.
4. Which of the following is an inert gas?
(a) Helium
(b) Ozone
(c) Nitrogen monoxide
(d) Sulphur trioxide.
5. Which component prevents desiccation ?
(a) Water vapours
(b) Carbon dioxide
(C) Nitrogen
(d) None of these.​

Answer 1

Answer:

1.b

2.d

3.a

4.a

5.d

hope it will help u..

Answer 2

Answer:

MCQs

Explanation:

1. chlorofluorocarbons

2. none of this

3. carbon dioxide

4. Helium

5. none of this

Hope it helps you