CMC Medical CMC-Medical Ludhiana Solved Paper-2015

  • question_answer
    Which of the following have the hygroscopic nature?

    A)  \[CaS{{O}_{4}}\]and \[MgS{{O}_{4}}\]

    B)  \[Ca{{(OH)}_{2}}\]and \[L{{i}_{2}}C{{O}_{3}}\]

    C)  \[CaC{{l}_{2}},\,MgC{{l}_{2}}\]and \[LiOH\]

    D)  \[CaS{{O}_{4}}\]and \[CaC{{l}_{2}}\]

    Correct Answer: C

    Solution :

                    The hydroxides of Cs, Rb, K, Na, Li are hygroscopic. \[CaC{{l}_{2}}\]and \[MgC{{l}_{2}}\]are also hygroscopic in nature. Hygroscopic means those compounds which absorb moisture from air.


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