2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 7

  • question_answer
    Hardness of water is\[200\text{ }ppm\]. The normality of \[CaC{{O}_{3}}\]in the water is_______.

    Answer:

    \[4\times {{10}^{-3}}\]


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