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

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Chemistry Fsc Part 2 Chapter 16 Online Test

00:00
Question # 1

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

Question # 2

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

Question # 3

Water will be considered polluted if it has dissolved oxygen.

Question # 4

Half mass of atmosphere gases is present in.

Question # 5

In which layer of atmosphere, ozone is present.

Question # 6

The pH range of the acid rain is

Question # 7

Ecosystem is smaller units of.

Question # 8

A quality of raw water is improved by

Question # 9

The minimum temperature of troposphere is.

Question # 10

Which field produces significant amount of methane in the atmosphere

Question # 11

Photochemical smog mainly consist of

Question # 12

Water is disinfected by a substance to avoid toxification

Question # 13

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Question # 14

Thickness of the atmosphere is

Question # 15

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

Question # 16

In purification of potable water the coagulant used is

Question # 17

The pH of unpolluted rain water should be

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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 Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects
A. Eyes
B. Ears
C. Stomach
D. Nose
2 Ozone depletion in stratosphere region is mainly due to the reaction of O3 with
A. O2
B. SO2
C. CFCs
D. All of these
3 A quality of raw water is improved by
A. Reduction
B. Aeration
C. Dehydration
D. Incineration
4 In which layer of atmosphere, ozone is present.
A. Thermosphere
B. Mesosphere
C. Stratosphere
D. Troposphere
5 Which gas is cause of Asthma
A. O3
B. O2
C. SO2
D. CO2
6 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2
7 The thickness of ozone layer is.
A. 25 to 50 km
B. 25 to 28 km
C. 3 km only
D. 1 km only
8 Thickness of atmosphere is about how much kilometer above the surface of warth
A. 100 km
B. 1000 km
C. 10,000 km
D. unlimited
9 The pH of truly acidic rain is
A. 7-6.8
B. 6.5-6
C. 6-5.6
D. less than 5
10 Ecosystem is smaller units of.
A. Lithosphere
B. Hydrosphere
C. Atmosphere
D. Biosphere

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