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Chemistry

Chemistry
Which one out of the following helps in burning ?

Carbon monoxide
Oxygen
Nitrogen
Carbon dioxide

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Ethylene
Methyl isocynate
Acetylene
Pheynl isocynate

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Chemistry
Which one of the following acids is used in battery ?

Hydrochloric acid
Sulphurous acid
Sulphuric acid
Hydrofluoric acid

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Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

32
8
18
2

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Chemistry
PVC is obtained by the polymerisation of

Vinyl chloride
Styrene
Propane
Acetylene

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Chemistry
The chief source of naphthalene is

Camphor
Coal-tar
Charcoal
Diesel

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MORE MCQ ON Chemistry

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