BHU PMT BHU PMT (Mains) Solved Paper-2005

  • question_answer
    On heating quick lime with coke in an electric furnace we get:

    A) Ca and\[C{{O}_{2}}\]                     

    B) \[CaC{{O}_{3}}\]

    C) \[CaO\]                               

    D) \[Ca{{C}_{2}}\]

    Correct Answer: D

    Solution :

    Quick lime\[(CaO)\]is heated with carbon at \[2000{}^\circ C\]to form calcium carbide. \[CaO+3C\xrightarrow[{}]{~{{200}^{o}}C}Ca{{C}_{2}}+CO\]


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