Question

Q.2 MULTIPLE CHOISE QUESTIONS: (Choose the most
appropriate answer.?
(A) Which of these causes water pollution?
(a) Sewage (b) Industrial waste (c) Fertilizers and
pesticides (d) All of these
(B) Which of these processes can not remove germs
from water?
(a) boiling (b) Filtration through Porous Pot (c) Reverse
Osmosis (d) exposure to UV light
(C) Which of the following is not a pollutant unless
present in excess?
(a) Sulpher Dioxide (b) Carbon dioxide (c) Nitrogen
dioxide (d) carbon monoxide
(D) Which of these can cause acid rain?
(a) Sulpher Dioxide (b) Carbon dioxide (c) Nitrogen (@)
carbon monoxide​

Answer 1

Answer:

1.(d)

2.(b)

3.(c)

4.(d) also (b)

Hope it helps

Answer 2

Answer:

(A) All of these

Explanation:

In (D) when sulphur dioxide, carbon dioxide and nitrogen dioxide are present in air in excess and rain comes they mix with rain water to form sulphuric acid, carbonic acid and nitric acid and thus, acid rain is formed