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FSC Part 2 Chemistry
Chapter 16 Test
Start Chapter 16 Test
FSC Part 2 Chemistry Wise Test
(English Medium)
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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Total Questions17
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Time Allowed20
Chemistry Fsc Part 2 Chapter 16 Online Test
00:00
Question # 1
The mean residence time of methane in atmosphere in
Question # 2
Water is disinfected by a substance to avoid toxification
Question # 3
A quality of raw water is improved by
Question # 4
The region of earth capable of supposing life is called.
Question # 5
The yellowish colour in photochemical smog is due to the presence of.
Question # 6
Photochemical smog mainly consist of
Question # 7
Ecosystem is smaller units of.
Question # 8
The disease can be eradicated by using pesticides.
Question # 9
The residence time of NO is
Question # 10
Which one of the following is secondary pollutant of atmosphere.
Question # 11
The news paper can be recycled again and again as many times as
Question # 12
Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects
Question # 13
In water the concentration of dissolved O2should be
Question # 14
Thickness of the atmosphere is
Question # 15
The minimum temperature of troposphere is.
Question # 16
A single chloride free radical can destroy how many ozone molecules
Question # 17
The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
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 avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water. |
A. KMnO4
B. O3
C. Alum
D. Chloramines
|
| 2 | 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
|
| 3 | Which gas is cause of Asthma |
A. O3
B. O2
C. SO2
D. CO2
|
| 4 | Fungicides are the pesticides which |
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
|
| 5 | Ecosystem is smaller units of. |
A. Lithosphere
B. Hydrosphere
C. Atmosphere
D. Biosphere
|
| 6 | Whcih water will be considered as polluted water. |
A. High value of COD
B. Low value of COD
C. High value of DO
D. Low value of BOD
|
| 7 | The thickness of ozone layer is. |
A. 25 to 50 km
B. 25 to 28 km
C. 3 km only
D. 1 km only
|
| 8 | In purification of potable water the coagulant used is |
A. Nickel sulphate
B. Copper sulphate
C. Barium sulphate
D. Alum
|
| 9 | The residence time of NO is |
A. Few hours
B. 1 day
C. 3 days
D. 4 days
|
| 10 | The disease can be eradicated by using pesticides. |
A. Malaria
B. Yellow fever
C. Sleeping sickness
D. All of these
|
Test Questions