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MGIMS WARDHA MGIMS WARDHA Solved Paper-2004

  • question_answer
    Which of the following dissolves in hot cone. \[NaOH\]solution?

    A)  Fe                                         

    B)  Zn

    C)   Cn                                        

    D)  Ag

    Correct Answer: B

    Solution :

                     Zn dissolves in cone. \[NaOH\]due to the formation of sodum zincate. \[Zn+2NaOH\xrightarrow[{}]{{}}N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\]


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