Copper sulfate is obtained from copper by using:

hot and dilute

H_{2} S O_{4}

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hot and concentrated

H_{2} S O_{4}

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both

A

and

B

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cold and concentrated

H_{2} S O_{4}

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Solution

The correct option is B hot and concentrated $H_{2} S O_{4}$
Copper sulfate is obtained from copper by using hot and concentrated $H_{2} S O_{4}$
$C u (g) + H_{2} S O_{4} (l) \to C u S O_{4} (a q) + S O_{2} (g) + 2 H_{2} O (l)$

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Copper sulfate is obtained from copper by using:

The correct option is B hot and concentrated H2SO4Copper sulfate is obtained from copper by using hot and concentrated H2SO4Cu(g)+H2SO4(l)→CuSO4(aq)+SO2(g)+2H2O(l)

The correct option is B hot and concentrated $H_{2} S O_{4}$
Copper sulfate is obtained from copper by using hot and concentrated $H_{2} S O_{4}$
$C u (g) + H_{2} S O_{4} (l) \to C u S O_{4} (a q) + S O_{2} (g) + 2 H_{2} O (l)$