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Chemistry

Chemistry
What is a mixture of potassium nitrate, powdered charcoal and sulphur called?

Cement
Paint
Gun powder
Glass

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Chemistry
Water gas is the mixture of

Carbon dioxide and hydrogen
Carbon dioxide and nitrogen
Carbon monoxide and hydrogen
Carbon monoxide and nitrogen

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Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Carbondioxide
Ozone
Nitrogen
Oxygen

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Chemistry
Galvanization is the :

Deposition of tin on iron
Deposition of aluminium on iron
Deposition of copper on iron
Deposition of zinc on iron

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Chemistry
Iodine value is used to estimate

Unsaturation in oil
Hydroxyl groups in oil
Alkali content in oil
Carboxylic groups in oil

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Chemistry
Which one is heaviest naturally-occurring element of the periodic element

Iron
Thorium
Uranium
Rhodium

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MORE MCQ ON Chemistry

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