Multiple Choice Questions on When hydrogen sulphide gas is passed through a blue solution of copper sulphate a black precipitate ........... for 10th Standard Preparation

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Multiple Choice Questions

When hydrogen sulphide gas is passed through a blue solution of copper sulphate a black precipitate ...........

Chemistry Chapter - 1
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    When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphate is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of :-

    A combination reaction

    Incorrect Answer

    A displacement reaction

    Incorrect Answer

    A decomposition reaction

    Incorrect Answer

    A double decomposition reaction

    Correct Answer
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    Explanation:

    CuSO4 +H2S -> CuS + H2SO4    It is a Double decomposition

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