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Question

Copper and brass can be prevented from corrosion by coating them with thin layer of __________ .


A

Magnesium

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B

Copper

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C

Zinc

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D

Tin

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Solution

The correct option is D

Tin


Tinning is a method in which metal is coated with molten tin.

For example: Copper and brass vessels, articles get coated with green coloured layer when kept exposed to air for long time due to corrosion. This can be prevented by coating these articles with thin layer of tin.


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