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Chemistry

Chemistry
Bleaching powder is used in drinking water as a/an

Antiseptic
Coagulant
Antibiotic
Disinfectant

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Chemistry
The percentage of oxygen in air is approximately

0.01
0.21
0.78
1

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Chemistry
Sour taste of lemon is due to the presence of which of the following ?

Formic acid
Acetic acid
Oxalic acid
Citric acid

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Methyl Alcohol
Ethylene
Ethyl Alcohol
Acetic Acid

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Chemistry
Nitrogen in water is commonly found in the form of

Nitrite
Nitrous oxide
Nitrate
Nitric oxide

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Chemistry
Commercial Vaseline is derived from

Wool wax
Coal tar
Petroleum
Plant gums

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MORE MCQ ON Chemistry

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