2nd Year Chemistry Online MCQ Test for 2nd Year Chemistry Chapter 16 Environment Chemistry Preparation

MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 16 Online Test"

Try The MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 16 Online Test"

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Chemistry Fsc Part 2 Chapter 16 Online Test

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Question # 1

The mean residence time of methane in atmosphere in

Question # 2

The pH range of the acid rain is.

Question # 3

The pH of truly acidic rain is

Question # 4

A quality of raw water is improved by

Question # 5

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Question # 6

A single chloride free radical can destroy how many ozone molecules

Question # 7

Whcih water will be considered as polluted water.

Question # 8

Half mass of atmosphere gases is present in.

Question # 9

Water is disinfected by a substance to avoid toxification

Question # 10

The normal amount of overhead ozone is.

Question # 11

Which field produces significant amount of methane in the atmosphere

Question # 12

The residence time of NO is

Question # 13

In which layer of atmosphere, ozone is present.

Question # 14

The news paper can be recycled again and again as many times as

Question # 15

On earth polar ice caps and glacier contains H2O

Question # 16

The minimum temperature of troposphere is.

Question # 17

The temperature in the incineration of industrial and hazardous waste process has a range.

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FSC Part 2 Chemistry Chapter 16 Online Test MCQ's

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 Acid rain fist of all was observed by
A. Augus Smith
B. Robert Hook
C. Mosley
D. Watson
2 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
3 The disease can be eradicated by using pesticides.
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these
4 Whcih water will be considered as polluted water.
A. High value of COD
B. Low value of COD
C. High value of DO
D. Low value of BOD
5 The pH range of the acid rain is.
A. 7-6.5
B. 6.5-6
C. 6-6.5
D. Less than 5
6 Disinfection of water by chlorine is done by the production of.
A. NH2Cl
B. NCl2
C. HOCl
D. NHCl2
7 Photochemical smog mainly consist of
A. Higher hydrocarbons
B. Oxidising agnts
C. Reducing agent
D. All of these
8 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
9 A single chloride free radical can destroy how many ozone molecules
A. 100
B. 100,000
C. 100,00
D. unlimited
10 The smog which have high contents of SO2 in it, is called.
A. Reducing smog
B. Oxidizing smog
C. Natural smog
D. Neutral smog

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