On a passing hydrogen sulphide gas (rotten egg shell )through an aqueous solution of copper sulphatea black precipitate of copper sulphide are formed this is an example of which reaction
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Answer:
displacement reaction
Explanation:
its easy
its easy
Answered by
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Answer:When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphate is formed and the sulphuric acid so formed remains in the solution.
Explanation:
h2so4+cus4 gives cus + h2so4
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