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

  • question_answer
    Which of the following reactions is an example for calcination process?

    A) \[2Ag+2HCl+(O)\to 2AgCl+{{H}_{2}}O\]

    B) \[2Zn+{{O}_{2}}\to 2ZnO\]

    C) \[2ZnS+3{{O}_{2}}\to 2ZnO+2S{{O}_{2}}\]

    D) \[MgC{{O}_{3}}\to MgO+C{{O}_{2}}\]

    Correct Answer: D

    Solution :

    [d] Decomposition of carbonates and hydrated oxides.


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