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.
Removal of carbon particles from air involves the principle of
A. Precipitation
B. Filteration
C. Electrophoresis
D. Sedimentation
Ans: C. Electrophoresis
Question 2.
High concentration hydrocarbon pollutants in atmospheric air causes
A. Cancer
B. Silicosis
C. Respiratory diseases (e.g.asthma)
D. Reduced crop yield
Ans: A. Cancer
Question 3.
Heavy metal pollution of water is caused by:
A. Paints
B. Wood burning
C. Acid Plants
D.Domestic sewage
Ans: A. Paints
Question 4.
The function of skimming tank in sewage treatment is to remove
A. Oil and fatty substances
B. Suspended solids
C. Gritty substances
D. Inorganic substances
Ans: A. Oil and fatty substances
Question 5.
Physico-chemical characteristics of water in water sources undergo changes due to
A. Aquatic macrophytes
B. Auatic fungi
C. Effluents
D. Evapotranspiration
Ans: C. Effluents
Question 6.
Which one is not a primary greenhouse gases in the Earth’s atmosphere?
A. Carbon dioxide
B. Methane
C. Nitrogen
D. Ozone
Ans: C. Nitrogen
Question 7.
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
A. Solar ultraviolet radiation
B. Solar infrared radiation
C. CO2 in the air
D. SO2 in the air
Ans: A. Solar ultraviolet radiation
Question 8.
Acid rain is caused due to emission of which of the following into the atmosphere ?
A. Oxides of nitrogen and sulphur
B. Carbon dioxide and carbon monoxide
C. Ozone and carbon dioxide
D. Carbon monoxide and nitrogen
Ans: A. Oxides of nitrogen and sulphur
Question 9.
Sulphur dioxide present in the industrial chimney exhaust causes
A. Respiratory and lung disease
B. Reduction in plant’s productivity owing to acid rain
C. Corrosion building materials
D. All of the above
Ans: D. All of the above
Question 10.
Which of the following is secondary air pollutant ?
A. Photochemical smog
B. NO2
C. Dust particles
D. SO2
Ans: D. SO2
Question 11.
‘Bhopal gas tragedy’ 1984 is related to which gas
A. Aluminium Phosphide
B. Methyl bromide
C. Methyl isocyanate
D. Carbon dioxide
Ans: C. Methyl isocyanate
Question 12.
The depletion of Ozone layer is mainly due to
A. Volcanic eruptions
B. Aviation fuels
C. Radioactive rays
D. Chlorofluorocarbons
Ans: D. Chlorofluorocarbons
Question 13.
Coating of solid waste with impervious material is known as
A. Encapsulation
B. Chemical fixation
C. Landfill
D. Capping
Ans: A. Encapsulation
Question 14.
Sullage water is –
A. Waste water released from kitchen
B. Waste water released from toilets
C. Waste water released from factories
D. Waste water released from hospitals
Ans: A. Waste water released from kitchen
Question 15.
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocation of pond that does not leave enough oxygen needed to support life. This type of pollution is called
A. Smog
B. Eutrophication
C. Green house effect
D. None of these
Ans: B. Eutrophication
Question 16.
Chemical name of vinegar is
A. Acetone
B. Acetic acid
C. Formaldehyde
D. Ethanol
Ans: B. Acetic acid
Question 17.
Taj Mahal is greatly affected due to :
A. Tourists
B. Acid rain
C. Deforestation
D. Sound pollution
Ans: B. Acid rain
Question 18.
The gas liberated in the Bhopal gas tragedy was:
Ans: D. Methyl isocynate
Question 19.
Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?
A. China, USA, European Union, India
B. USA, India, China, European Union
C. China, India, European Union, USA
D. European Union, China, USA, India
Ans: A. China, USA, European Union, India
Question 20.
Which one of the following organic compounds has fruity smell?
A. Alcohol
B. Aldehyde
C. Ester
D. Ether
Ans: C. Ester
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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