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Chemistry

Chemistry
Water can be separated from alcohol water mixture by

Distillation
Decantation
Sublimation
Evaporation

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Chromium
Cadmium
Lead
Copper

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Chemistry
One of the constituents of tear gas is

Ethane
Chloropicrin
Ethanol
Ether

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Chemistry
Petroleum is a mixture of

Salts
Polymers
Hydrocarbons
Elements

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Chemistry
Natural rubber is a polymer of

Vinyl acetate
Styrene
Propene
Isoprene

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Chemistry
Which of the following vitamins is generally excreted by human in urine?

Vitamin B
None of these
Vitamin D
Vitamin C

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MORE MCQ ON Chemistry

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