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

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Question # 1

The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water

Question # 2

The minimum temperature of troposphere is.

Question # 3

Which one of the following is secondary pollutant of atmosphere.

Question # 4

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

Question # 5

Fungicides are the pesticides which

Question # 6

Photochemical smog mainly consist of

Question # 7

On earth polar ice caps and glacier contains H2O

Question # 8

The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.

Question # 9

Ecosystem is smaller units of.

Question # 10

A single chloride free radical can destroy how many ozone molecules

Question # 11

Which one of the followings is not a pollutant.

Question # 12

The colloidal particles in raw water can be removed by

Question # 13

The thickness of ozone layer is.

Question # 14

In purification of potable water the coagulant used is

Question # 15

Fungicides are teh pesticides which

Question # 16

Which gas is cause of Asthma

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 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)
2 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
3 Ecosystem is a smaller unit of
A. lithospher
B. hydroshper
C. atmosphere
D. biosphere
4 How much fresh water is used for domestic purpose
A. 8%
B. 23%
C. 69%
D. 100%
5 The colloidal particles in raw water can be removed by
A. Coagulation
B. Aeration
C. Chlorination
D. Hydration
6 The pH of truly acidic rain is
A. 7-6.8
B. 6.5-6
C. 6-5.6
D. less than 5
7 The temperature in the incineration of industrial and hazardous waste process has a range.
A. 900 to 1000 oC
B. 250 to 500oC
C. 950 to 1300oC
D. 500 to 900oC
8 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
A. KMnO4
B. O3
C. Alums
D. Chloramines
9 On earth polar ice caps and glacier contains H2O
A. 1%
B. 2%
C. 3%
D. 10%
10 Whcih water will be considered as polluted water.
A. High value of COD
B. Low value of COD
C. High value of DO
D. Low value of BOD

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