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Chemistry

Chemistry
Ultraviolet rays can be used in water treatment as

Flocculator
Hydrolyser
Precipitator
Disinfectant

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Chemistry
Water gas is the mixture of

Carbon monoxide and nitrogen
Carbon dioxide and nitrogen
Carbon monoxide and hydrogen
Carbon dioxide and hydrogen

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Chemistry
Benzene cannot undergo :

Addition
Oxidation
Elimination
Substitution

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Chemistry
The electronic configuration of an atom having atomic number ‘20’ is

2, 8, 8, 2
2, 6, 8, 4
2, 8, 10
2, 10, 8

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

Formic acid
Acetic acid
Citric acid
Oxalic acid

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Chemistry
Domestic cooking gas consists mostly of

Liquified butane and isobutane
Ethylene and carbon monoxide
Methane and ethane
Hydrogen and acetylene

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MORE MCQ ON Chemistry

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