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

Which one is primary pollutant.

Question # 3

The thickness of ozone layer is.

Question # 4

The pH range of the acid rain is.

Question # 5

Ecosystem is smaller units of.

Question # 6

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

Question # 7

In water the concentration of dissolved O2should be

Question # 8

Ozone is mostly produced in

Question # 9

Acid rain fist of all was observed by

Question # 10

Water is disinfected by a substance to avoid toxification

Question # 11

A single chloride free radical can destroy how many ozone molecules

Question # 12

The pH of unpolluted rain water should be

Question # 13

Photochemical smog mainly consist of

Question # 14

Half mass of atmosphere gases is present in.

Question # 15

Whcih water will be considered as polluted water.

Question # 16

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

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 Thickness of the atmosphere is
A. 100 km
B. 500 km
C. 1000 km
D. 1500 km
2 Ecosystem is a smaller unit of
A. lithospher
B. hydroshper
C. atmosphere
D. biosphere
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 In water the concentration of dissolved O2should be
A. 1-3 ppm
B. 2-4 ppm
C. 4-8 ppm
D. 8-12 ppm
5 On earth polar ice caps and glacier contains H2O
A. 1%
B. 2%
C. 3%
D. 10%
6 Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects
A. Eyes
B. Ears
C. Stomach
D. Nose
7 Fungicides are the pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
8 How much fresh water is used for domestic purpose
A. 8%
B. 23%
C. 69%
D. 100%
9 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
A. KMnO4
B. O3
C. Alum
D. Chloramines
10 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2

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