General Chemistry MCQ Question with Answer

General Chemistry MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
The function of nitrogen in air is

to make air a moderate supporter of combustion

to maintain the density of air constant

to prevent the hydrogen in air from exploding

to reduce the poisonous nature of ozone in air

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Question No : 9
One method by which the components of air can be separated is

shaking with caustic soda solution

shaking with water

fractional distillation of liquid air

passing air over heated magnesium

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Question No : 10
The noble gas which is present in microscopic quantities in air is

xenon

krypton

argon

helium

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Question No : 11
The most abundant noble gas present in air is

neon

argon

helium

krypton

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Question No : 12
Which one of the following gases is extremely soluble in water?

Carbon dioxide

Ammonia

Chlorine

Hydrogen sulphide

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Question No : 13
What is 'oxygen mixture'?

A mixture of potassium nitrate and carbon

A mixture of ammonium chloride and sodium nitrate

A mixture of potassium chlorate and manganese dioxide

A mixture of ammonium nitrate and charcoal

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Question No : 14
A mixture of carbon monoxide and hydrogen is

coal gas

producer gas

water gas

gobar gas

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Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name	No. Of Q	Link
Chemistry set 1	30	Start
Chemistry set 2	30	Start
Chemistry set 3	30	Start
Chemistry set 4	30	Start
Chemistry set 5	30	Start
Chemistry set 6	30	Start
Chemistry set 7	30	Start
Chemistry set 8	30	Start
Chemistry set 9	30	Start
Chemistry set 10	30	Start
Chemistry set 11	30	Start
Chemistry set 12	30	Start

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