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Chemistry

Chemistry
Gold dissolves in

Aqua-regia
Hydrochloric acid
Nitric acid
Acetic acid

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Chemistry
Which of the following gases will effuse out of football bladder most quickly ?

O2
H2
N 2
He

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Chemistry
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

None of these
Smog
Eutrophication
Green house effect

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Chemistry
Spirit in contact with body gives cool sensation because it is :

Transparent
Highly volatile
Liquid
A good conductor

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Chemistry
The advantage of detergents over soaps is

Detergents are soluble in water
Soaps give lather with only soft water
Detergents could not give much lather
Detergents give lather even with hard water

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Chemistry
A powerful eye irritant present in smog is

Peroxyacetyl nitrate
Sulphur dioxide
Carbon dioxide
Nitric oxide

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MORE MCQ ON Chemistry

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