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

In purification of potable water the coagulant used is

Question # 2

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

Question # 3

The thickness of ozone layer is.

Question # 4

The colloidal particles in raw water can be removed by

Question # 5

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

Question # 6

The pH of unpolluted rain water should be

Question # 7

Fungicides are teh pesticides which

Question # 8

Ecosystem is smaller unit of

Question # 9

Whcih water will be considered as polluted water.

Question # 10

The region of earth capable of supposing life is called.

Question # 11

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

Question # 12

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

Question # 13

How much fresh water is used for domestic purpose

Question # 14

Which is a secondary pollutant

Question # 15

In water the concentration of dissolved O2should be

Question # 16

Which field produces significant amount of methane in the atmosphere

Question # 17

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

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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 Ozone is mostly produced in
A. Tropical region
B. North polar region
C. South polar region
D. Thermosphere zone of atmosphere
2 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
A. KMnO4
B. O3
C. Alum
D. Chloramines
3 On earth polar ice caps and glacier contains H2O
A. 1%
B. 2%
C. 3%
D. 10%
4 Which one of the followings is not a pollutant.
A. CO2
B. NO2
C. CO
D. SO2
5 Peroxyacetyl nitrate is an irritant to humab beings and it affects
A. Eyes
B. Ears
C. Stomach
D. Nose
6 A quality of raw water is improved by
A. Reduction
B. Aeration
C. Dehydration
D. Incineration
7 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
8 The pH of unpolluted rain water should be
A. 5.00
B. 5.60
C. 6.50
D. 7.00
9 The region of earth capable of supposing life is called.
A. Atmosphere
B. Bisphere
C. Dithosphere
D. Hydrosphere
10 Ecosystem is smaller unit of
A. Lithosphere
B. Hydroshpere
C. Amosphere
D. Biosphere

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