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

The pH of unpolluted rain water should be

Question # 2

Which one is primary pollutant.

Question # 3

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

Question # 4

Whcih water will be considered as polluted water.

Question # 5

Which is a secondary pollutant

Question # 6

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

Question # 7

Which one of the followings is not a pollutant.

Question # 8

The colloidal particles in raw water can be removed by

Question # 9

Which one of the following is secondary pollutant of atmosphere.

Question # 10

Ecosystem is a smaller unit of

Question # 11

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

Question # 12

Photochemical smog mainly consist of

Question # 13

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

Question # 14

In purification of potable water the coagulant used is

Question # 15

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

Question # 16

Ecosystem is smaller units of.

Question # 17

Which field produces significant amount of methane in the atmosphere

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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 Which gas is cause of Asthma
A. O3
B. O2
C. SO2
D. CO2
2 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
3 The disease can be eradicated by using pesticides.
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these
4 Which field produces significant amount of methane in the atmosphere
A. paddy field
B. Cotton field
C. Can sugar field
D. Wheat field
5 On earth polar ice caps and glacier contains H2O
A. 1%
B. 2%
C. 3%
D. 10%
6 The colloidal particles in raw water can be removed by
A. Coagulation
B. Aeration
C. Chlorination
D. Hydration
7 Half mass of atmosphere gases is present in.
A. 5-6 km distance above the surface of earth
B. 10 km above the surface
C. 100 km above the surface
D. 56 km above the surface
8 The main pollutant of leather tanneries in the waste water is due the salt of.
A. Lead
B. Chromium (VI)
C. Copper
D. Chromium (III)
9 Disinfection of water by chlorine is done by the production of.
A. NH2Cl
B. NCl2
C. HOCl
D. NHCl2
10 The residence time of NO is
A. Few hours
B. 1 day
C. 3 days
D. 4 days

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