Here you will find GK MCQ Questions for Chemistry GK with Answers PDF Free Download based on the important concepts and topics given in the textbook as per new exam pattern. This may assist you to understand and check your knowledge about the Chemistry GK. Students also can take a free test of the Multiple Choice Questions of Chemistry GK. Each question has four options followed by the right answer.
Question 1.
Which one of the following metals pollutes the air of a city having large number of automobiles?
A. Cadmium
B. Chromium
C. Lead
D. Copper
Ans: C. Lead
Question 2.
‘Acid rain’ is caused due to air pollution by
A. Carbon dioxide
B. Carbon monoxide
C. Methane
D. Nitrous oxide and sulphur dioxide
Ans: D. Nitrous oxide and sulphur dioxide
Question 3.
Which type of radiations are absorbed by the upper layer of the atmosphere?
A. Radio-waves
B. Infrared
C. Visible
D. Ultraviolet
Ans: D. Ultraviolet
Question 4.
Which of the following is not a greenhouse gas ?
A. Hydrogen
B. Carbon dioxide
C. Nitric oxide
D. Chlorofluorocarbon
Ans: A. Hydrogen
Question 5.
Pollutant from motor car exhaust that causes mental disease is
A. Lead
B. NO2
C. SO2
D. Hg
Ans: A. Lead
Question 6.
Gas released during Bhopal tragedy was :
A. Sodium isothiocyanate
B. Potassium isothiocyanate
C. Ethyl isocyanate
D. Methyl isocyanate
Ans: D. Methyl isocyanate
Question 7.
Sulphur dioxide level in the atmosphere can be reduced by using
A. More efficient car engines
B. Catalytic converters in industry
C. Static electricity to attract it in factory chimneys
D. Low – sulphur fuels
Ans: D. Low – sulphur fuels
Question 8.
Which is abundant in Gobar gas?
A. Carbon dioxide
B. Methane
C. Oxygen
D. Hydrogen
Ans: B. Methane
Question 9.
The most common cause of pollution of air is
A. Carbon dioxide
B. Carbon monoxide
C. Sulphur dioxide
D. Smoke
Ans: C. Sulphur dioxide
Question 10.
The filter over which sewage is sprinkled is called as
A. Trickling filter
B. Percolating filter
C. Contact bed
D. Intermittent sand filter
Ans: A. Trickling filter
Question 11.
The term ‘brown air’ is used for
A. Acid fumes
B. Photochemical smog
C. Sulphurous smog
D. Industrial smog
Ans: B. Photochemical smog
Question 12.
Concentration of a material which is lethal to 50% animal is called
A. LD50
B. LC50
C. NOAEL
D. ADI
Ans: A. LD50
Question 13.
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called
A. Mists
B. Fumes
C. Aerosols
D. Smoke
Ans: C. Aerosols
Question 14.
Main source of lead pollution is from
A. Sewage
B. Leaded gasoline
C. Tobacco
D. Insecticides
Ans: B. Leaded gasoline
Question 15.
The sewage obtained from water closets and urinals is known as
A. Sanitary waste
B. Industrial waste
C. Garbage
D. Sullage
Ans: A. Sanitary waste
Question 16.
The major harmful gas emitted by automobile vehicle which causes air pollution is
A. Carbon Monoxide
B. Methane
C. Carbon dioxide
D. Ozone gas
Ans: A. Carbon Monoxide
Question 17.
Mercury is emitted into air by
A. Burning coal
B. Burning garbage
C. Coal fire
D. Steam engine
Ans: B. Burning garbage
Question 18.
An example of major air pollutant is
A. Oxygen
B. Carbon monoxide
C. Helium
D. Carbon dioxide
Ans: B. Carbon monoxide
Question 19.
Which one amongst the following is not a Green House gas?
A. Nitrogen
B. Carbon dioxide
C. Carbon Monoxide
D. Chloro fluoro carbons
Ans: A. Nitrogen
Question 20.
The major harmful gas emitted by automobile vehicles which causes air pollution is
A. Carbon Monoxide
B. Methane
C. Carbon dioxide
D. Ozone gas
Ans: A. Carbon Monoxide
Chemistry GK MCQs all set
- Chemistry GK MCQs Set-1
- Chemistry GK MCQs Set-2
- Chemistry GK MCQs Set-3
- Chemistry GK MCQs Set-4
- Chemistry GK MCQs Set-5
- Chemistry GK MCQs Set-6
- Chemistry GK MCQs Set-7
- Chemistry GK MCQs Set-8
- Chemistry GK MCQs Set-9
- Chemistry GK MCQs Set-10
- Chemistry GK MCQs Set-11
- Chemistry GK MCQs Set-12
- Chemistry GK MCQs Set-13
- Chemistry GK MCQs Set-14
- Chemistry GK MCQs Set-15
- Chemistry GK MCQs Set-16
- Chemistry GK MCQs Set-17
- Chemistry GK MCQs Set-18
- Chemistry GK MCQs Set-19
- Chemistry GK MCQs Set-20
- Chemistry GK MCQs Set-21
- Chemistry GK MCQs Set-22
- Chemistry GK MCQs Set-23
- Chemistry GK MCQs Set-24
- Chemistry GK MCQs Set-25
- Chemistry GK MCQs Set-26
- Chemistry GK MCQs Set-27
- Chemistry GK MCQs Set-28
- Chemistry GK MCQs Set-29
- Chemistry GK MCQs Set-30
- Chemistry GK MCQs Set-31
- Chemistry GK MCQs Set-32
- Chemistry GK MCQs Set-33
- Chemistry GK MCQs Set-34
- Chemistry GK MCQs Set-35
- Chemistry GK MCQs Set-36
- Chemistry GK MCQs Set-37
- Chemistry GK MCQs Set-38
- Chemistry GK MCQs Set-39
- Chemistry GK MCQs Set-40
- Chemistry GK MCQs Set-41
- Chemistry GK MCQs Set-42
- Chemistry GK MCQs Set-43
- Chemistry GK MCQs Set-44
- Chemistry GK MCQs Set-45
- Chemistry GK MCQs Set-46
- Chemistry GK MCQs Set-47
- Chemistry GK MCQs Set-48
- Chemistry GK MCQs Set-49
- Chemistry GK MCQs Set-50
- Chemistry GK MCQs Set-51
- Chemistry GK MCQs Set-52
- Chemistry GK MCQs Set-53
- Chemistry GK MCQs Set-54
- Chemistry GK MCQs Set-55
- Chemistry GK MCQs Set-56
- Chemistry GK MCQs Set-57
- Chemistry GK MCQs Set-58
- Chemistry GK MCQs Set-59
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