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Chemistry

Chemistry
24 carat of diamond is equal to

200 mg
95% mg
91% gold
200 g

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Chemistry
Which gas is used as fire extinguisher ?

Carbon suboxide
Carbon monoxide
Carbon dioxide
Sulphur dioxide

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Chemistry
By-product obtained by soap industry is

Caustic soda
Caustic potash
Naphthalene
Glycerol

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Chemistry
Brass is made of

Copper, tin and zinc
Copper and tin
Tin and lead
Copper and zinc

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

Calcium nitrate
Calcium sulphate
Calcium carbonate
Calcium chloride

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Chemistry
Catalyst is a substance which

Increases the rate of the reaction
None of these
Has no action on the rate of the reaction
Decreases the rate of reaction

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MORE MCQ ON Chemistry

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