set 4 MCQ Questions & Answers Detailed Explanation

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The following question based on alloys, carbon & its various forms, hydrogen & compounds, sulphur, nitrogen, halogen & inert gases topic of general science mcq

Questions : The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is

(a) Carbon dioxide

(b) Nitrogen

(c) Hydrogen

(d) Oxygen

The correct answers to the above question in:

Answer: (c)

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Read more chemistry gk quiz Based General Science Questions and Answers

Question : 1

Which one of the following materials is strongest?

a) Graphene

b) German Silver

c) Brass

d) Steel

Answer: (a)

Question : 2

Combination of which substance in the alloy renders stainless steel non-magnetic?

a) Molybdenum

b) Nickel

c) Carbon

d) Chromium

Answer: (b)

Question : 3

Which of the following do not consist carbon?

a) None of these

b) Diamond

c) Graphite

d) Coal

Answer: (a)

Question : 4

The foul smell of dead fish is due to the compound

a) Aldehydic compounds

b) Sulphur compounds

c) Amino compounds

d) Nitro compounds

Answer: (c)

Question : 5

Heavy water is that water

a) In which isotopes takes place of Oxygen

b) In which isotopes takes place of Hydrogen

c) The temperature of which is kept constant at 4ºC

d) In which insoluble salts of Calcium and Potassium are present

Answer: (b)

Question : 6

Which one of the following fuels causes minimum air pollution?

a) Diesel

b) Coal

c) Kerosene oil

d) Hydrogen

Answer: (d)

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