WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    Alums are used for

    A)  tanning of leather

    B)  coagulation of blood

    C)  purification of water

    D)  all of the above

    Correct Answer: D

    Solution :

                     Potash alum is used for tanning of leather, as mordant in dyeing and and calico printing, for sizing paper, as a syptic to stop bleeding and purification of water.


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