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

The disease can be eradicated by using pesticides.

Question # 2

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

Question # 3

The pH range of the acid rain is

Question # 4

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

Question # 5

How much fresh water is used for domestic purpose

Question # 6

Acid rain fist of all was observed by

Question # 7

The region of earth capable of supposing life is called.

Question # 8

In which layer of atmosphere, ozone is present.

Question # 9

The mean residence time of methane in atmosphere in

Question # 10

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

Question # 11

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

Question # 12

Water is disinfected by a substance to avoid toxification

Question # 13

Fungicides are teh pesticides which

Question # 14

The minimum temperature of troposphere is.

Question # 15

Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects

Question # 16

Thickness of the atmosphere is

Question # 17

Ozone is mostly produced in

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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 main pollutant of leather tanneries in the waste water is due the salt of.
A. Lead
B. Chromium (VI)
C. Copper
D. Chromium (III)
2 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
3 The pH of truly acidic rain is
A. 7-6.8
B. 6.5-6
C. 6-5.6
D. less than 5
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 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2
6 Which field produces significant amount of methane in the atmosphere
A. paddy field
B. Cotton field
C. Can sugar field
D. Wheat field
7 In purification of potable water the coagulant used is
A. Nickel sulphate
B. Copper sulphate
C. Barium sulphate
D. Alum
8 Ecosystem is smaller unit of
A. Lithosphere
B. Hydroshpere
C. Amosphere
D. Biosphere
9 Water will be considered polluted if it has dissolved oxygen.
A. 3ppm
B. 4ppm
C. 5ppm
D. 6 ppm
10 Ozone is mostly produced in
A. Tropical region
B. North polar region
C. South polar region
D. Thermosphere zone of atmosphere

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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