JEE Main & Advanced Sample Paper JEE Main Sample Paper-45

  • question_answer
    Estimation of calcium and magnesium is done by

    A)  EDTA                          

    B)  oxalate

    C)  phosphate                 

    D)  None of these

    Correct Answer: A

    Solution :

     \[EDTA+C{{a}^{2+}}\xrightarrow{\Delta }\,{{[Ca(EDTA)]}^{2-}}\] Same can be done for Mg.

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