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 of the following is used to iodise common salt ?
A. Potassium iodide
B. Iodine
C. Potassium iodate
D. Sodium iodide
Ans: C. Potassium iodate
Question 2.
The drug ‘Marijuana’ is a
A. Sedative
B. Mental stimulant
C. Hallucinating substance
D. Tranquillizer
Ans: A. Sedative
Question 3.
The chief source for the production of nitrogeneous fertilizers is :
A. Ammonia
B. Nitric acid
C. Nitrogen
D. Nitrogen dioxide
Ans: A. Ammonia
Question 4.
Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ?
A. Borax
B. Saltpetre
C. Hydrogen peroxide
D. Sodium chloride
Ans: D. Sodium chloride
Question 5.
A thick paste of cement, sand and water is called
A. Concrete
B. R.C.C.
C. Mortar
D. Kiln
Ans: C. Mortar
Question 6.
The Refrigerant ‘FREON’ is
A. Calcium Tetra Fluoride
B. Difluoro Dichloro Methane
C. Fluorspar and Felspar
D. Hydrofluosilicic Acid
Ans: B. Difluoro Dichloro Methane
Question 7.
Which one of the following elements is used in the manufacture of safety matches?
A. Graphite
B. Phosphorus
C. Silicon
D. Sodium
Ans: B. Phosphorus
Question 8.
Soap is prepared by boiling caustic soda with
A. Alcohol
B. Kerosene oil
C. Glycerine
D. Fats
Ans: D. Fats
Question 9.
What is the most commonly used substance in fluorescent tubes?
A. Sodium oxide and argon
B. Sodium vapour and neon
C. Mercury vapour and argon
D. Mercury oxide and neon
Ans: C. Mercury vapour and argon
Question 10.
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are
A. Silver Iodide
B. Sodium Chloride
C. Dry ice or frozen carbon dioxide
D. All the above
Ans: A. Silver Iodide
Question 11.
Zinc sulphide is commonly used as
A. Fungicide
B. Herbicide
C. Rodenticide
D. Deodorant
Ans: C. Rodenticide
Question 12.
‘All the four quantum numbers of two electrons in an atom are not the same.’ It is the law of –
A. Hund’s rule of maximum multiplicity
B. Exclusion Principle of Pauli
C. Uncertainty Principle of Hiesenberg
D. Avogadro’s Law
Ans: B. Exclusion Principle of Pauli
Question 13.
Tear gas is :
A. Chloroprene
B. Carbonyl chloride
C. Nitrous oxide
D. Bleaching powder
Ans: B. Carbonyl chloride
Question 14.
‘Fire-fighting clothes’ are made from
A. Mica
B. Asbestos
C. Talc
D. Steatite
Ans: B. Asbestos
Question 15.
Which halide is used in making sensitive emulsion on photograhic film?
A. Sodium chloride
B. Silver bromide
C. Silver iodide
D. Silver chloride
Ans: B. Silver bromide
Question 16.
Which of the following is not a donor atom?
A. Phosphorus
B. Antimony
C. Arsenic
D. Aluminium
Ans: D. Aluminium
Question 17.
Tetra ethyle lead (TEL) is
A. A catalyst in burning fossil fuel
B. An antioxidant
C. A reductant
D. An antiknock compound
Ans: D. An antiknock compound
Question 18.
Trinitrotoluene is
A. Used to melt metals
B. Used to fuse two metals
C. Used as an abrasive
D. Used as an explosive
Ans: D. Used as an explosive
Question 19.
Detergents clean surfaces on the principle of
A. Viscosity
B. Surface tension
C. Elasticity
D. Floatation
Ans: B. Surface tension
Question 20.
What happens when a chemical bond is formed ?
A. Energy is always absorbed
B. Energy in always released
C. More energy is released than is absorbed
D. Energy is neither released nor absorbed
Ans: A. Energy is always absorbed
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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