Question

C. Tick (M) the correct option.
1. The gas, which is present the most in air, is-
(a) oxygen
(b) nitrogen
(c) carbon dioxide
(d) water vapour
2. An air pollutant, which exists in solid form, is-
(a) sulphur (b) nitrogen (c) smoke
(d) ozone
3. The gas, whose amount varies with weather changes, is-
(a) nitrogen (b) helium (c) water vapour (d) oxygen
4. The gas, that gets reduced, through the process of photosynthesis, is-
(a) sulphur oxide
(b) nitrogen oxide
(c) ozone
(d) carbon dioxide
4 ro option mai se ek batana hai​

Answer 1

Answer:

1)a

2)a

3)d

4) d.. ......

Answer 2

Answer:

1. The gas, which is present the most in air, is Nitrogen.

2. An air pollutant, which exists in solid form, is Sulphur.

3. The gas, whose amount varies with weather changes, is Oxygen.

4. The gas, that gets reduced, through the process of photosynthesis, is Carbon Dioxide.