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JEE Main & Advanced Chemistry Hydrogen & Its Compounds / हाइड्रोजन और इसके यौगिक Question Bank Mock Test - Hydrogen

  • question_answer
    Hardness of water is 200 ppm. The normality of \[CaC{{O}_{3}}\]in the water is in the form\[y\times {{10}^{-3}}\]. Identify y.

    Answer:

    4


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