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Chemistry

Chemistry
Tear gas used by the police to disperse the mob contains

Ammonia
Carbon dioxide
Hydrogen sulphide
Chlorine

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Chemistry
Which one of the following is commonly used for pulp bleaching in the paper industry?

Hydrogen peroxide
Iodine and water
Mild sulphuric acid
Glucose isomerase

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Chemistry
Which of the following laser types is used in a laser printer?

Excimer laser
Semiconductor laser
Gas laser
Dye laser

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Chemistry
Which of the following phenomenon is considered responsible for Global Warming?

Dry farming
Greenhouse effect
Fire in coal mines
Trade winds

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Chemistry
Which gas is used as fire extinguisher ?

Carbon dioxide
Carbon monoxide
Carbon suboxide
Sulphur dioxide

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Chemistry
Neoprene is a polymer of

Chloroprene
Isoprene
Isopentane
Isobutane

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MORE MCQ ON Chemistry

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