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

FSC Part 2 Chemistry
Chapter 16 Test

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FSC Part 2 Chemistry Wise Test
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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

In water the concentration of dissolved O2should be

Question # 2

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Question # 3

The pH of unpolluted rain water should be

Question # 4

Whcih water will be considered as polluted water.

Question # 5

Water will be considered polluted if it has dissolved oxygen.

Question # 6

On earth polar ice caps and glacier contains H2O

Question # 7

The colloidal particles in raw water can be removed by

Question # 8

In which layer of atmosphere, ozone is present.

Question # 9

Which one of the followings is not a pollutant.

Question # 10

The minimum temperature of troposphere is.

Question # 11

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

Question # 12

Thickness of the atmosphere is

Question # 13

A quality of raw water is improved by

Question # 14

Photochemical smog mainly consist of

Question # 15

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

Question # 16

Acid rain fist of all was observed by

Question # 17

How much fresh water is used for domestic purpose

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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 The pH of unpolluted rain water should be
A. 5.00
B. 5.60
C. 6.50
D. 7.00
2 The smog which have high contents of SO2 in it, is called.
A. Reducing smog
B. Oxidizing smog
C. Natural smog
D. Neutral smog
3 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
4 In water the concentration of dissolved O2should be
A. 1-3 ppm
B. 2-4 ppm
C. 4-8 ppm
D. 8-12 ppm
5 The pH of truly acidic rain is
A. 7-6.8
B. 6.5-6
C. 6-5.6
D. less than 5
6 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
7 Fungicides are teh pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plant
D. Kill herbs
8 Ozone depletion in stratosphere region is mainly due to the reaction of O3 with
A. O2
B. SO2
C. CFCs
D. All of these
9 Fungicides are the pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
10 The minimum temperature of troposphere is.
A. -2oC
B. -56oC
C. -100oC
D. 15oC

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