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प्रश्न
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
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उत्तर
A colourless gas having the smell of rotten eggs is given off. The gas evolved is H2S:
\[\ce{CuS + 2HCl -> CuCl2 + H2S}\]
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संबंधित प्रश्न
Explain, why (or give reasons for)
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HCI is highly soluble in water.
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Aqua-regia is a mixture of ___________ .
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State a safety precaution you would take during the preparation of hydrochloric acid.
