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Banking Chemistry Some Important Man-Made Materials Question Bank Some Important Man-Made Materials

  • question_answer
    Which one of the following is not present in cement?

    A)  Clay               

    B)  Alumina

    C)  Alum                

    D)         Gypsum

    Correct Answer: C

    Solution :

     Gypsum is added in calculated quantity in order to adjust the rate of setting of cement. Alum is NOT present in cement.


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