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Ionisable and Non-Ionisable Compounds

Which one of ...

Question

Which one of the following salts is blue in colour?

A

Ferrous sulphate

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B

Copper sulphate

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C

Cobalt chloride

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D

Alum

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Solution

The correct option is B Copper sulphate
Hydrated Copper sulphate $(C u S O_{4})$ salt is Blue in color.

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