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

00:00
Question # 1

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

Question # 2

The normal amount of overhead ozone is.

Question # 3

Whcih water will be considered as polluted water.

Question # 4

In purification of potable water the coagulant used is

Question # 5

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

Question # 6

Disinfection of water by chlorine is done by the production of.

Question # 7

Half mass of atmosphere gases is present in.

Question # 8

The minimum temperature of troposphere is.

Question # 9

Ecosystem is smaller units of.

Question # 10

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

Question # 11

A quality of raw water is improved by

Question # 12

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Question # 13

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

Question # 14

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

Question # 15

A single chloride free radical can destroy how many ozone molecules

Question # 16

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

Question # 17

Which gas is cause of Asthma

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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 pH range of the acid rain is.
A. 7-6.5
B. 6.5-6
C. 6-6.5
D. Less than 5
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 Disinfection of water by chlorine is done by the production of.
A. NH2Cl
B. NCl2
C. HOCl
D. NHCl2
4 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
5 The disease can be eradicated by using pesticides.
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these
6 The minimum temperature of troposphere is.
A. -2oC
B. -56oC
C. -100oC
D. 15oC
7 Which one of the following is secondary pollutant of atmosphere.
A. CO
B. NO2
C. SO2
D. H2SO4
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 The region of earth capable of supposing life is called.
A. Atmosphere
B. Bisphere
C. Dithosphere
D. Hydrosphere
10 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

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