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Effect on Indicators by Acids and Bases

On reacting c...

Question

On reacting copper oxide with hydrochloric acid and filtering it, the filtrate is of which colour?

A

Blue

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B

Yellow

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C

Black

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D

Brown

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Solution

The correct option is C Blue
On reacting copper oxide with $H C l$ and filtering it, copper chloride is formed which is blue in colour.

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