JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Boron Family

  • question_answer
    In electrolysis of aluminium oxide which of the following is added to accelerate the process [AFMC 1999; CPMT 1999]

    A) Silica

    B) Cryolite

    C) Nickel

    D) Silicate

    Correct Answer: B

    Solution :

    Cryolite is added to lower the melting point of alumina and to increase the electrical conductivity.


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