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

  • Time Allowed20

Chemistry Fsc Part 2 Chapter 16 Online Test

00:00
Question # 1

Half mass of atmosphere gases is present in.

Question # 2

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

Question # 3

In purification of potable water the coagulant used is

Question # 4

The pH range of the acid rain is.

Question # 5

Thickness of the atmosphere is

Question # 6

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

Question # 7

Ecosystem is smaller unit of

Question # 8

Water is disinfected by a substance to avoid toxification

Question # 9

Ecosystem is a smaller unit of

Question # 10

The pH of truly acidic rain is

Question # 11

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

Question # 12

Ozone is mostly produced in

Question # 13

How much fresh water is used for domestic purpose

Question # 14

Ecosystem is smaller units of.

Question # 15

The mean residence time of methane in atmosphere in

Question # 16

Whcih water will be considered as polluted water.

Question # 17

The pH range of the acid rain is

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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 of unpolluted rain water should be
A. 5.00
B. 5.60
C. 6.50
D. 7.00
2 Peroxyacetyl nitrate is an irritant to humab beings and it affects
A. Eyes
B. Ears
C. Stomach
D. Nose
3 Which is a secondary pollutant
A. Carbonic acid
B. CO2
C. SO2
D. CO
4 The smog which have high contents of SO2 in it, is called.
A. Reducing smog
B. Oxidizing smog
C. Natural smog
D. Neutral smog
5 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)
6 Which gas is cause of Asthma
A. O3
B. O2
C. SO2
D. CO2
7 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
8 Ozone is mostly produced in
A. Tropical region
B. North polar region
C. South polar region
D. Thermosphere zone of atmosphere
9 Water is disinfected by a substance to avoid toxification
A. KMnO4
B. Alums
C. O3
D. Cl2
10 Disinfection of water by chlorine is done by the production of.
A. NH2Cl
B. NCl2
C. HOCl
D. NHCl2

Test Questions

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  • fiza ijaz

    fiza ijaz

    10 May 2018

    i got 17/17 marks in18 seconds

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  • Nabeel

    Nabeel

    15 Mar 2018

    1st mine position..

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  • Sibgha

    Sibgha

    06 Mar 2018

    My 1st time

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