2. Questions Bank
  3. NEET
  4. Chemistry
  5. Metallurgy / धातुकर्म

NEET Chemistry Metallurgy / धातुकर्म Question Bank Self Evaluation Test - General Principals and Process of Isolation of Elements

  • question_answer
    The process of converting hydrated alumina into anhydrous alumina is called

    A) roasting            

    B) smelting

    C) dressing            

    D) calcination

    Correct Answer: D

    Solution :

    [d] \[A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O\to A{{l}_{2}}{{O}_{3}}+2{{H}_{2}}O\] is calcination.


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