JEE Main & Advanced Sample Paper JEE Main Sample Paper-18

  • question_answer
    Which of the following is not a concentration technique?

    A)  Levigation        

    B)  Froth floatation

    C)  Leaching           

    D)  Calcination

    Correct Answer: D

    Solution :

     In calcination, volatile impurities are removed by heating concentrated ore in reverberatory furnace.


You need to login to perform this action.
You will be redirected in 3 sec spinner