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Chemistry

Chemistry
Colloids can be purified by

Condensation
Condensation
Dialysis
Condensation

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Chemistry
Which metal is extracted from sea water?

Magnesium
Potassium
Aluminium
Beryllium

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Chemistry
The most abundant element is

Silicon
Oxygen
Nitrogen
Calcium

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Chemistry
Which of the following is not a commercial source of energy?

Petroleum
Firewood
Coal
Natural Gas

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Chemistry
The nucleus of an atom consists of

All of these
protons and neutrons
electrons and neutrons
electrons and protons

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Chemistry
The filter over which sewage is sprinkled is called as

Percolating filter
Trickling filter
Contact bed
Intermittent sand filter

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MORE MCQ ON Chemistry

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