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Chemistry

Chemistry
Which of the following is also used as a Bio fertilizer?

None of these
Ammonia
Uric Acid
Urea

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Chemistry
Which method will be employed to test the hardness of water?

Boiling
Distillation
None of these
Formation of lather with soap

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Nitrogen
Sulphur
Alcohol
Silicon

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Chemistry
The chemical name of 'Plaster of Paris' commonly used for setting broken bones is

Calcium carbonate
Calcium chloride
Calcium nitrate
Calcium sulphate

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Chemistry
Trinitrotoluene is

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

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Chemistry
Detergents clean surfaces on the principle of

Floatation
Viscosity
Elasticity
Surface tension

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MORE MCQ ON Chemistry

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