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 mean residence time of methane in atmosphere in

Question # 2

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

Question # 3

Which one of the following is secondary pollutant of atmosphere.

Question # 4

A single chloride free radical can destroy how many ozone molecules

Question # 5

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

Question # 6

Which one is primary pollutant.

Question # 7

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

Question # 8

In purification of potable water the coagulant used is

Question # 9

Fungicides are teh pesticides which

Question # 10

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

Question # 11

Half mass of atmosphere gases is present in.

Question # 12

The minimum temperature of troposphere is.

Question # 13

The pH of unpolluted rain water should be

Question # 14

The pH range of the acid rain is.

Question # 15

The disease can be eradicated by using pesticides.

Question # 16

In which layer of atmosphere, ozone is present.

Question # 17

Which one of the followings is not a pollutant.

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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 minimum temperature of troposphere is.
A. -2oC
B. -56oC
C. -100oC
D. 15oC
2 Fungicides are the pesticides which
A. Control the growth of fungus
B. Kill insects
C. Kill plants
D. Kill herbs
3 The main pollutant of leather tanneries in the waste water is due to
A. Lead
B. Chromium VI
C. Copper
D. Chromium III
4 The pH range of the acid rain is.
A. 7-6.5
B. 6.5-6
C. 6-6.5
D. Less than 5
5 The yellowish colour in photochemical smog is due to the presence of.
A. NO
B. NO2
C. SO2
D. CO2
6 In which layer of atmosphere, ozone is present.
A. Thermosphere
B. Mesosphere
C. Stratosphere
D. Troposphere
7 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
8 The residence time of NO is
A. Few hours
B. 1 day
C. 3 days
D. 4 days
9 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
10 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
A. KMnO4
B. O3
C. Alum
D. Chloramines

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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