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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
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A constant boiling mixture of water and hydrochloric acid is also called as _______________.
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Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
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Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
