VIT Engineering VIT Engineering Solved Paper-2008

  • question_answer
    Hair dyes contain

    A)  copper nitrate 

    B)  gold chloride

    C)  silver nitrate   

    D)  copper sulphate

    Correct Answer: C

    Solution :

     Silver nitrate is used in making hair dyes because it reduced to metallic silver and finely divided silver is black in colour.


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