When conc. $H_{2} S O_{4}$ is added to hydrated copper [II] sulphate:

white crystals is changed to black powder as water is removed.

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brown crystals is changed to black powder as water is removed.

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black crystals is changed to white powder as water is removed.

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blue crystals is changed to white powder as water is removed.

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Solution

The correct option is C blue crystals is changed to white powder as water is removed.
When concentrated sulfuric acid is added to hydrated copper sulfate it demonstrates the property of dehydration. The blue crystals is changed to white powder as water is removed.

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When conc. H2SO4 is added to hydrated copper [II] sulphate:

The correct option is C blue crystals is changed to white powder as water is removed.When concentrated sulfuric acid is added to hydrated copper sulfate it demonstrates the property of dehydration. The blue crystals is changed to white powder as water is removed.

When conc. $H_{2} S O_{4}$ is added to hydrated copper [II] sulphate:

The correct option is C blue crystals is changed to white powder as water is removed.
When concentrated sulfuric acid is added to hydrated copper sulfate it demonstrates the property of dehydration. The blue crystals is changed to white powder as water is removed.