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"

  • Total Questions17

  • Time Allowed20

Chemistry Fsc Part 2 Chapter 16 Online Test

00:00
Question # 1

Half mass of atmosphere gases is present in.

Question # 2

Photochemical smog mainly consist of

Question # 3

Disinfection of water by chlorine is done by the production of.

Question # 4

The residence time of NO is

Question # 5

A single chloride free radical can destroy how many ozone molecules.

Question # 6

The region of earth capable of supposing life is called.

Question # 7

The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.

Question # 8

Ecosystem is smaller unit of

Question # 9

The pH of truly acidic rain is

Question # 10

A quality of raw water is improved by

Question # 11

How much fresh water is used for domestic purpose

Question # 12

The minimum temperature of troposphere is.

Question # 13

The normal amount of overhead ozone is.

Question # 14

Ozone is mostly produced in

Question # 15

Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects

Question # 16

The disease can be eradicated by using pesticides.

Question # 17

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

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16th Chapter

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 Disinfection of water by chlorine is done by the production of.
A. NH2Cl
B. NCl2
C. HOCl
D. NHCl2
2 The disease can be eradicated by using pesticides.
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these
3 Acid rain fist of all was observed by
A. Augus Smith
B. Robert Hook
C. Mosley
D. Watson
4 The region of earth capable of supposing life is called.
A. Atmosphere
B. Bisphere
C. Dithosphere
D. Hydrosphere
5 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
6 The colloidal particles in raw water can be removed by
A. Coagulation
B. Aeration
C. Chlorination
D. Hydration
7 A quality of raw water is improved by
A. Reduction
B. Aeration
C. Dehydration
D. Incineration
8 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2
9 Water is disinfected by a substance to avoid toxification
A. KMnO4
B. Alums
C. O3
D. Cl2
10 In which layer of atmosphere, ozone is present.
A. Thermosphere
B. Mesosphere
C. Stratosphere
D. Troposphere

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