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Chemistry

Chemistry
The chemical formula of the laughing gas is

N2O3
NO
N2O
NO2

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

Limnonite
Magnetite
None of these
Haemetite

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Chemistry
Which one of the following elements exhibits the greatest tendency to lose electrons ?

Lithium
Oxygen
Fluorine
Zinc

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Chemistry
Limestone is a raw material used by which industry?

Fertilizers
Petrochemicals
Cement
Aluminium

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Chemistry
Which of the following is a man-made source of air pollution ?

Bacterial action in soil and swamp areas
Automobile exhaust
All of these
Forest fire

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Chemistry
Which of the following is not a greenhouse gas ?

Chlorofluorocarbon
Nitric oxide
Carbon dioxide
Hydrogen

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MORE MCQ ON Chemistry

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