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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 33

  • question_answer
    A fire work gave brick red colour. It probably contained a salt of-

    A) Ca                   

    B)        K

    C) Ba                   

    D)        Mg

    Correct Answer: A

    Solution :

    [a] Ca metal give brick red colour in flame test.


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