JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkaline Earth Metals

  • question_answer
    Which is quick lime [EAMCET 1993]

    A) \[Ca{{(OH)}_{2}}\]

    B) \[CaO\]

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

    D) \[Ca{{(OH)}_{2}}+{{H}_{2}}O\]

    Correct Answer: B

    Solution :

    \[CaO\]- (quick lime) \[Ca{{(OH)}_{2}}\]- (slaked lime) \[Ca{{(OH)}_{2}}+{{H}_{2}}O\]- an aqueous suspension of \[Ca{{(OH)}_{2}}\] in water is called lime water. \[CaC{{O}_{3}}\] (lime stone).


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