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

Ecosystem is smaller unit of

Question # 2

The minimum temperature of troposphere is.

Question # 3

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

Question # 4

In water the concentration of dissolved O2should be

Question # 5

The mean residence time of methane in atmosphere in

Question # 6

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

Question # 7

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

Question # 8

Fungicides are the pesticides which

Question # 9

The pH range of the acid rain is

Question # 10

Which one of the following is secondary pollutant of atmosphere.

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Which one is primary pollutant.

Question # 15

Which one of the followings is not a pollutant.

Question # 16

Ecosystem is smaller units of.

Question # 17

How much fresh water is used for domestic purpose

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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 minimum temperature of troposphere is.
A. -2oC
B. -56oC
C. -100oC
D. 15oC
2 On earth polar ice caps and glacier contains H2O
A. 1%
B. 2%
C. 3%
D. 10%
3 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
4 Water is disinfected by a substance to avoid toxification
A. KMnO4
B. Alums
C. O3
D. Cl2
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 one of the followings is not a pollutant.
A. CO2
B. NO2
C. CO
D. SO2
7 Acid rain fist of all was observed by
A. Augus Smith
B. Robert Hook
C. Mosley
D. Watson
8 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
9 The pH of unpolluted rain water should be
A. 5.00
B. 5.60
C. 6.50
D. 7.00
10 The disease can be eradicated by using pesticides.
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these

Test Questions