2. Sample Papers
  3. 11th Class
  4. Chemistry

11th Class Chemistry Sample Paper Chemistry Sample Paper-4

  • question_answer
    \[{{H}_{2}}S\] is passed through an acidified solution of copper sulphate and a black precipitate is formed. This is due to

    A)  Oxidation of \[C{{u}^{2+}}\]

    B)  Reduction of \[C{{u}^{2+}}\]

    C)  Double decomposition              

    D)  Reduction and oxidation.

    Correct Answer: C

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