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.
In which of the following states maximum iron ore is found ?
A. FeCO3
B. Fe2O3
C. Fe3O4
D. FeS2
Ans: B. Fe2O3
Question 2.
Which of the following is used in welding broken pieces of iron rails and machine parts?
A. Aluminium sulphate
B. Solder
C. Aluminium powder
D. None of the above
Ans: C. Aluminium powder
Question 3.
Which of the following elements is not present in stainless steel?
A. Iron
B. Tungsten
C. Chromium
D. Nickel
Ans: B. Tungsten
Question 4.
Food cans are coated with tin and not with zinc because
A. Zinc is costlier than tin
B. Zinc has a higher melting point than tin
C. Zinc is more reactive than tin
D. Zinc is less reactive than tin
Ans: C. Zinc is more reactive than tin
Question 5.
Of the following commonly used materials, the one that is not an alloy is
A. Steel
B. Brass
C. Bronze
D. Copper
Ans: D. Copper
Question 6.
Which one of the following minerals is found in pure form?
A. Iron
B. Copper
C. Bauxite
D. Manganese
Ans: B. Copper
Ans: B. Copper
Question 7.
Cinnabar is an ore/mineral of
A. Lead
B. Manganese
C. Molybdenum
D. Mercury
Ans: D. Mercury
Question 8.
The manufacture of iron from iron ore involves the process of
A. Oxidation
B. Reduction
C. Fractional distillation
D. Electrolysis
Ans: B. Reduction
Question 9.
What is the principal ore of aluminium ?
A. Dolomite
B. Copper
C. Lignite
D. Bauxite
Ans: D. Bauxite
Question 10.
The percentage of carbon in cast iron is :
A. 0.01 to 0.25
B. 0.5 to 1.5
C. 6 to 8
D. 3 to 5
Ans: D. 3 to 5
Question 11.
A. Oxidation
B. Reduction
C. Electrolysis
D. Fractional distillation
Ans: B. Reduction
Question 12.
Burning pyrites ore gives out
A. Carbon dioxide gas
B. Sulphur dioxide gas
C. Nitrogen dioxide gas
D. Nitric oxide gas
Ans: B. Sulphur dioxide gas
Question 13.
Brass is a solution of molten copper in
A. Solid zinc
B. Molten zinc
C. Gaseous zinc
D. Molten tin
Ans: B. Molten zinc
Question 14.
The important ore of aluminium is
A. Bauxite
B. Cryolite
C. Fluorspar
D. Haematite
Ans: A. Bauxite
Question 15.
Which one of the following pairs is not correctly matched?
A. Haematite : Copper
B. Bauxite : Aluminium
C. Monazite : Thorium
D. Pitchblende : Uranium
Ans: A. Haematite : Copper
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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