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Chemistry

Chemistry
Which one of the following gases has the highest calorific value?

Water gas
Indane gas
Coal gas
Natural gas

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Chemistry
Which is not an anasthetic agent in surgical operations?

Chloroform
Ether
Nitrous oxide
Acetone

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Chemistry
Activated Charcoal is used to remove colouring matter from pure substances by

Oxidation
Bleaching
Reduction
Adsorption

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Chemistry
Which of the following is used in making smoke bombs?

Sulphur
Carbon
Hydrogen
Phosphorus

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Chemistry
Which of the following is used for refrigeration?

Sulphur dioxide
Phosphine
Chlorine
Freon

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Chemistry
What material is used to make electric heater coil ?

Iron
Copper
Nichrome
Silver

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MORE MCQ ON Chemistry

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