JCECE Engineering JCECE Engineering Solved Paper-2003

  • question_answer
    Bleaching powder is obtained by treating chlorine with:

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

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

    C) \[CaO\]               

    D)   none of these

    Correct Answer: B

    Solution :

    \[Ca{{(OH)}_{2}}+C{{l}_{2}}\xrightarrow{{}}\underset{\begin{smallmatrix}  bleaching \\  powder \end{smallmatrix}}{\mathop{CaOC{{l}_{2}}}}\,+{{H}_{2}}O\]


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