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Chemistry

Chemistry
Which among the following coal contains 90 per cent of carbon?

Lignite
Anthracite
Bitumen
Peat

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pt
Cu
Pb
Ni

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Chemistry
Trinitrotoluene is

Used as an explosive
Used to fuse two metals
Used to melt metals
Used as an abrasive

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Chemistry
The metallic constituents of hard water are :

Calcium, magnesium and iron
Iron, tin and calcium
Magnesium, calcium and tin
Magnesium, tin and iron

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Chemistry
The quality of petrol is expressed in terms of

Octane number
Cetane number
Added unlead compounds
Gold number

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Chemistry
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?

Sulphur dioxide
Nitrous oxide
Chlorofluorocarbon
Carbon dioxide

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MORE MCQ ON Chemistry

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