General Knowledge Question Answer: Chemistry GK Questions and Answers

General Knowledge Chemistry Questions, Chemistry Quiz for Competitive Exams, Important Chemistry MCQs for GK

Q. The word CNG in the transport network system stands for -
1) Chlorine Natural Gas
2) Commercial Natural Gas
3) Compressed Natural Gas
4) Condensed Natural Gas

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Q. Which of the following contributes the maximum to the greenhouse effect?
1) Carbon dioxide
2) Water vapour
3) Methane
4) Nitrous oxide

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Q. The function of heavy water in a nuclear reactor is to -
1) Slow down the speed of neutrons
2) Increase the speed of neutrons
3) Cool down the reactor
4) Stop the nuclear reaction

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Q. Cooking gas is a mixture of -
1) Carbonmonoxide and carbondioxide
2) Butane and Propane
3) Methane and Ethylene
4) Carbondioxide and Oxygen

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Q. Lime water contains -
1) Sodium hydroxide
2) Calcium hydroxide
3) Sodium carbonate
4) Calcium chloride

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Q. Washing soda is -
1) Sodium chloride
2) Hydrated sodium carbonate
3) Sodium bicarbonate
4) Calcium carbonate

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Q. Common salt is obtained from seawater by the process of -
1) Sublimation
2) Evaporation
3) Crystalization
4) Filtration

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Q. Radioactivity is a property of -
1) Atomic nuclei
2) Excited electrons
3) X-rays
4) Ultraviolet light

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Q. Radioactivity has applications in -
1) Medicine
2) Agriculture
3) Industry
4) All of these

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Q. The nucleus of an atom contains -
1) Protons and Neutrons
2) Protons and Electrons
3) Neutrons and Electrons
4) Only Neutrons

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