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Chemistry

Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Krypton
Argon
Radon
Helium

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Chemistry
Antacids are found in drugs that give relief to

Eye sight
Stomach ache
Headache
Acne

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Chemistry
Aluminium can be purified by

Oxidation
Electrolysis
Distillation
Ozonolysis

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

SO2
NO2
NO
Chlorogluorocarbons

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Chemistry
Acid rain is caused by the pollution of environment by

Nitrous oxide and Sulphur dioxide
Carbon monoxide and Carbon dioxide
Ozone and Carbon dioxide
Carbon dioxide and Nitrogen

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Chemistry
The chief source of naphthalene is

Charcoal
Camphor
Diesel
Coal-tar

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MORE MCQ ON Chemistry

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