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Corrosion

What is used ...

Question

What is used as a drying agent in an experiment on the rusting process?

A

Copper chloride

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B

Zinc chloride

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C

Anhydrous calcium chloride

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D

Anhydrous calcium sulphate

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Solution

The correct option is C Anhydrous calcium chloride
Anhydrous calcium chloride absorbs the water vapour present in the test tube and hence rusting does not happen. As a result, it is used as a drying agent.

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