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Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Ferric alum has the composition \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}.F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.x{{H}_{2}}O\] The value of\[x\]is

    A)  7              

    B)  24

    C)  6              

    D)  25

    Correct Answer: B

    Solution :

     \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}.F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\]


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