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10th Class Science Chemical Reactions and Equations Question Bank Chemical Reaction

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

    A)  a combination reaction

    B)  a displacement reaction

    C)  a decomposition reaction

    D)  a double decomposition reaction  

    Correct Answer: D

    Solution :

    Not Available


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