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Chemistry

Chemistry
An example of major air pollutant is

Carbon dioxide
Helium
Oxygen
Carbon monoxide

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Chemistry
Chernobyl disaster is the result of pollution by

Oil spill
Radioactive waste
Carbon dioxide
Acid rain

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Chemistry
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?

Acidity
Hardness
Eutrophication
Alkalinity

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Chemistry
Detergents are

None of these
Sodium salt of benzoic acid
Sodium salts of fatty acids
Sodium salts of sulphonic acids

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Chemistry
Dry ice is the solid form of :

Nitrogen
Water
Air
Carbon di–oxide

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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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