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Chemistry

Chemistry
Zone refining is used for the purification of

Cu
Ge
Au
Ag

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Chemistry
Which of the following type of coal has the lowest proportion of volatile matter ?

Bituminous
Lignite
Peat
Anthracite

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Chemistry
Which one of the following organic compounds has fruity smell?

Ether
Alcohol
Ester
Aldehyde

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Chemistry
Acid rain is caused by the pollution of environment by

Carbon monoxide and Carbon dioxide
Carbon dioxide and Nitrogen
Ozone and Carbon dioxide
Nitrous oxide and Sulphur dioxide

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Land filling
Bricketting
Composting
Incineration

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Chemistry
Which of the following is used as a lubricant in heavy machines?

Bauxite
Phosphorus
Sulphur
Graphite

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MORE MCQ ON Chemistry

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