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

Ecosystem is smaller unit of

Question # 2

Half mass of atmosphere gases is present in.

Question # 3

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

Question # 4

The pH of unpolluted rain water should be

Question # 5

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

Question # 6

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

Question # 7

The mean residence time of methane in atmosphere in

Question # 8

In purification of potable water the coagulant used is

Question # 9

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

Question # 10

Which is a secondary pollutant

Question # 11

The pH range of the acid rain is.

Question # 12

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

Question # 13

The pH range of the acid rain is

Question # 14

The residence time of NO is

Question # 15

Thickness of the atmosphere is

Question # 16

The colloidal particles in raw water can be removed by

Question # 17

Water is disinfected by a substance to avoid toxification

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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 A single chloride free radical can destroy how many ozone molecules
A. 100
B. 100,000
C. 100,00
D. unlimited
3 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
4 The residence time of NO is
A. Few hours
B. 1 day
C. 3 days
D. 4 days
5 Acid rain fist of all was observed by
A. Augus Smith
B. Robert Hook
C. Mosley
D. Watson
6 How much fresh water is used for domestic purpose
A. 8%
B. 23%
C. 69%
D. 100%
7 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2
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 Which one of the followings is not a pollutant.
A. CO2
B. NO2
C. CO
D. SO2
10 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
A. KMnO4
B. O3
C. Alum
D. Chloramines

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