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Chemistry

Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Domestic sewage
Refuse
Sullage
Storm water

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Chemistry
Impure camphor is purified by

Sublimation
Steam distillation
Fractional crystallisation
Fractional distillation

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Chemistry
Commercial Vaseline is derived from

Plant gums
Wool wax
Coal tar
Petroleum

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Chemistry
The nucleus of an atom consists of

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

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Chemistry
Who first published the periodic table

John Dalton
Julius Lothar Meyer
Dmitri Mendeleev
Henry Moseley

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Chemistry
Among the fuels given below, the one with highest calorific value is

Wood
Coal
Coke
Natural gas

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MORE MCQ ON Chemistry

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