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 main pollutant of leather tanneries in the waste water is due to

Question # 2

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

Question # 3

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

Question # 4

In purification of potable water the coagulant used is

Question # 5

The thickness of ozone layer is.

Question # 6

Ecosystem is smaller unit of

Question # 7

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

Question # 8

Fungicides are the pesticides which

Question # 9

Photochemical smog mainly consist of

Question # 10

Ecosystem is smaller units of.

Question # 11

On earth polar ice caps and glacier contains H2O

Question # 12

The disease can be eradicated by using pesticides.

Question # 13

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

Question # 14

Whcih water will be considered as polluted water.

Question # 15

How much fresh water is used for domestic purpose

Question # 16

Half mass of atmosphere gases is present in.

Question # 17

Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects

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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 region of earth capable of supposing life is called.
A. Atmosphere
B. Bisphere
C. Dithosphere
D. Hydrosphere
2 A single chloride free radical can destroy how many ozone molecules
A. 100
B. 100,000
C. 100,00
D. unlimited
3 Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects
A. eyes
B. ears
C. stomach
D. nose
4 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
5 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
6 Which gas is cause of Asthma
A. O3
B. O2
C. SO2
D. CO2
7 Ozone is mostly produced in
A. Tropical region
B. North polar region
C. South polar region
D. Thermosphere zone of atmosphere
8 The normal amount of overhead ozone is.
A. 300 DU
B. 350 DU
C. 400 DU
D. 450 DU
9 The news paper can be recycled again and again as many times as
A. 5
B. 3
C. 4
D. 2
10 Water is disinfected by a substance to avoid toxification
A. KMnO4
B. Alums
C. O3
D. Cl2

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