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Haryana PMT Haryana PMT Solved Paper-2003

  • question_answer
    Which method is employed to prepare copper sol?

    A)  Peptisation

    B)  Bredigs arc method

    C)  Double decomposition

    D)  Reduction of CuCb

    Correct Answer: B

    Solution :

                    Metal sols are generally prepared by Bredigs arc method.


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