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EAMCET Medical EAMCET Medical Solved Paper-2004

  • question_answer
    One of the elements present in carnalite shows flame colouration. The colour of the flame is:

    A)  orange                                

    B)  green

    C)  yellow                                 

    D)  lilac

    Correct Answer: D

    Solution :

                     The    formula    of    carnalite    is \[\text{KCl}\text{.MgC}{{\text{l}}_{\text{2}}}\text{6}{{\text{H}}_{\text{2}}}\text{O}\text{.}\]In this formula only potassium gives colour (lilac) to flame, whereas magnesium does not give flame colouration.


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