question_answer

Study the following statements regarding acid rain and select the incorrect ones.

(i) Acid rain refers to the rainfall and other forms of precipitation with a pH of less than 5.

(ii) Oxides of sulphur and nitrogen are released from automobile exhausts, industries, power plants etc.

(iii) These oxides of sulphur and nitrogen, may react with water in the air and form suphuric acid      \[{{({{H}_{2}}SO)}_{4}}\]and nitcric acid \[(HN{{O}_{3}})\]

(iv) Acid rain has harmful effects on animals and human beings but no characteristic impact on plants.

A)  (i) and (iii)     

B)  (iii) and (iv)    

C)  (iv) only           

D)  (ii) only