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Chemistry

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

Carbon dioxide
Hydrogen sulphide
Chlorine
Ammonia

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Chemistry
An example of major air pollutant is

Carbon monoxide
Oxygen
Helium
Carbon dioxide

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Chemistry
Commercial Vaseline is derived from

Wool wax
Plant gums
Coal tar
Petroleum

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Chemistry
CNG used in automobiles to check pollution, mainly consists of

CH4
H2
N2
CO2

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Chemistry
The chemical bahaviour of an atom depends upon

The number of protons in its nucleus
The number of neutrons in the nucleus
The number of nucleons in the nucleus
The number of electrons orbiting around the nucleus

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Chemistry
Commercially, sodium bicarbonate is known as

Washing soda
Baking soda
Soda ash
Bleaching powder

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MORE MCQ ON Chemistry

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