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Chemistry

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

Chlorine
Hydrogen sulphide
Ammonia
Carbon dioxide

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Chemistry
Ozone layer is present in

Troposphere
Stratosphere
Ionosphere
Exosphere

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Chemistry
Which acid is used in Lead storage battery?

Hydrochloric acid
Nitric acid
Acetic acid
Sulphuric acid

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Chemistry
Which of the following gases is most toxic ?

Sulphur dioxide
Carbon monoxide
Carbon dioxide
Chlorine

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Chemistry
Total number of naturally occurring elements

92
62
110
98

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Chemistry
Peroxyacetyl nitrate is a

Secondary pollutant
Plant hormone
Vitamin
Acidic dye

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MORE MCQ ON Chemistry

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