Air Pollution - Acid Rain NCERT Exemplar (Objective) Based MCQs Environmental Chemistry (OLD NCERT) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which of the following conditions shows the polluted environment?

a.	pH of rainwater is 5.9
b.	Amount of carbon dioxide in the atmosphere is 0.03%
c.	Biochemical oxygen demand 10 ppm
d.	Eutrophication

Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (c, d)
4. (a, b, d)

Subtopic: Air Pollution - Acid Rain | Water Pollution - Causes |

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The acids present in acid rain are :

a. Peroxyacetylnitrate

b. H₂CO₃

c. HNO₃

d. H₂SO₄

Choose the correct option :

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic: Air Pollution - Acid Rain |

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Match the terms given in Column I with the compounds given in Column II.

Column I	Column II
A. Acid rain	1. ${CHCl}_{2} - {CHF}_{2}$
B. Photochemical smog	2. $CO$
C. Combination with hemoglobin	3. Unsaturated hydrocarbons
D. Depletion of the ozone layer	4. ${SO}_{2}$

Codes

	A	B	C	D
1.	4	2	3	1
2.	1	2	3	4
3.	4	3	2	1
4.	4	1	3	2

Subtopic: Air Pollution - Acid Rain |

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Given below are two statements:

Assertion (A):	The pH of acid rain is less than 5.6.
Reason (R):	Carbon dioxide present in the atmosphere dissolves in rainwater and forms carbonic acid.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.

Subtopic: Air Pollution - Acid Rain |

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