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Chemistry

Chemistry
Which is not a green house gas ?

CO2
Chlorofluorocarbons
N2O
CH4

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Chemistry
The chief source of naphthalene is

Camphor
Coal-tar
Charcoal
Diesel

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Chemistry
The major constituent of gobar gas is

Carbon dioxide
Isobutane
Butane
Methane

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Chemistry
The iron ore which contains 72% of iron is :

Siderite
Limonite
Haematite
Magnetite

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Chemistry
The most abundant element in the earth’s atmosphere is

Oxygen
Krypton
Nitrogen
Argon

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Chemistry
Which of the following acts as promoter for iron in Haber's process

W
Mo
Mn
Mg

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MORE MCQ ON Chemistry

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