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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  • Time Allowed20

Chemistry Fsc Part 2 Chapter 16 Online Test

00:00
Question # 1

The minimum temperature of troposphere is.

Question # 2

The mean residence time of methane in atmosphere in

Question # 3

The disease can be eradicated by using pesticides.

Question # 4

The yellowish colour in photochemical smog is due to the presence of.

Question # 5

Fungicides are the pesticides which

Question # 6

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

Question # 7

How much fresh water is used for domestic purpose

Question # 8

Ozone depletion in stratosphere region is mainly due to the reaction of O3 with

Question # 9

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

Question # 10

The pH of truly acidic rain is

Question # 11

Water will be considered polluted if it has dissolved oxygen.

Question # 12

The smog which have high contents of SO2 in it, is called.

Question # 13

Acid rain fist of all was observed by

Question # 14

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

Question # 15

The normal amount of overhead ozone is.

Question # 16

Thickness of atmosphere is about how much kilometer above the surface of warth

Question # 17

The thickness of ozone layer is.

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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 The mean residence time of methane in atmosphere in
A. 1-2 years
B. 3-4 years
C. 3-5 years
D. 3-7 years
2 Ecosystem is a smaller unit of
A. lithospher
B. hydroshper
C. atmosphere
D. biosphere
3 Fungicides are teh pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plant
D. Kill herbs
4 Which one of the followings is not a pollutant.
A. CO2
B. NO2
C. CO
D. SO2
5 A quality of raw water is improved by
A. Reduction
B. Aeration
C. Dehydration
D. Incineration
6 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
7 Ecosystem is smaller units of.
A. Lithosphere
B. Hydrosphere
C. Atmosphere
D. Biosphere
8 Acid rain fist of all was observed by
A. Augus Smith
B. Robert Hook
C. Mosley
D. Watson
9 In purification of potable water the coagulant used is
A. Nickel sulphate
B. Copper sulphate
C. Barium sulphate
D. Alum
10 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
A. KMnO4
B. O3
C. Alum
D. Chloramines

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