JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Hydrogen

  • question_answer Hydrogen directly combines with [Roorkee Entrance 1990]

    A) Au

    B) Cu

    C) Ni

    D) Ca

    Correct Answer: D

    Solution :

    \[{{H}_{2}}\] does not react with Au, Cu or Ni with Ca it gives \[Ca{{H}_{2}}\]. \[Ca+{{H}_{2}}\to Ca{{H}_{2}}\]


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