Question

Tick the correct option
1.This is not a green house gas
(a) Carbon dioxide
(b) Methane
(c) Nitrogen
(d) Sulphur dioxide
2.This is used as coolant in refrigerators
(a) Lead
(c) chlorofluorocarbon
(b) Arsenic
(d) Ozone
3.Acid rain consists mainly of
(a)Nitrogen dioxide
(b)sulphuric acid
(c)hydrochloric acid
(d)citric acid​

Answer 1

Explanation:

1. Nitrogen
2. Chloroflourocarbon
3. Sulfuric acid