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Chemistry

Chemistry
Which one of the following is a greenhouse gas ?

Helium
Nitrogen
Carbon dioxide
Sulphur dioxide

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Chemistry
Water gas is the combination of

CO2 and CO
CO and H2
CO and H2O
CO2and H2

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Chemistry
The main chemical constituent of clay is

silicon oxide
zeolites
aluminium borosilicate
aluminium silicate

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Chemistry
One of the following is used to dissolve noble metals. That is

Nitric acid
Aqua ragia
Sulphuric acid
Hydrochloric acid

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Chemistry
Bhopal gas tragedy is associated with leakage of

Carbon dioxide
Nitrogen dioxide
Sulphur dioxide
Methyl isocyanate

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid and ethyl alcohol
Nitric acid and acetic acid
Nitric acid and acetic anhydride
Nitric acid in excess

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