Acid rain is caused by
I. sulphur dioxide
II. Hydrogen chloride
III. Nitrogen oxides
IV. Phosphates
Choose the correct answer.

Out of the following biogeochemical cycles which one is gaseous I.sulphur II.phosphorus III.nitrogen IV.carbon Choose the correct option

The conditions necessary for vernalisation are I. high temperature II. Low temperature III. Carbon dioxide IV. oxygen and water Choose the correct option.

Assertion: Acid rain is caused by Sulphur dioxide and nitric oxide. Reason: During raining, the precipitation contains acidic components such as sulphuric acid or nitric acid.

acid rain caused due to oxidation of nitrogen and sulphur.

Select acidic gases from the following (i) Ammonia (ii) Sulphur dioxide (iii) Hydrogen chloride (iv) Chlorine (v) Carbon dioxide (vi) Oxygen (vii) Hydrogen . How is the acidic nature verified ?

Acid rain is due to oxides of nitrogen oxides of sulphur methane present in air Select the correct option.

Dissolved gases like sulphur dioxide, nitrogen oxides in rain water causes ___________.

Select a basic gas from the following (i) Ammonia (ii) Sulphur dioxide (iii) Hydrogen chloride (iv) Chlorine (v) Carbon dioxide (vi) Oxygen (vii) Hydrogen . How is the basic nature verified ?