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Chemistry

Chemistry
In electro-refining, the pure metal is deposited on

Anode
Vessel
Electrolyte
Cathode

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Corrosion
Galvanisation
Reduction
Sublimation

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

Glass
Gun powder
Paint
Cement

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

O-cresol + terepineol
O-chlorophenoxylenol + terepineol
Phenol + terepineol
Chloroxylenol + terepineol

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Chemistry
Which one of the following metals is used to galvanise iron ?

Copper
Lead
Zinc
Mercury

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Chemistry
Which gas is used as fire extinguisher ?

Carbon suboxide
Carbon dioxide
Sulphur dioxide
Carbon monoxide

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MORE MCQ ON Chemistry

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