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  3. Chemistry
  4. The concentration of dissolved Oxygen in water for growth of fish should be more than underlineX ppm and Biochemical Oxygen Demand in clean water should be less than underlineY ppm. X and Y in ppm are, respectively.

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Q. The concentration of dissolved Oxygen in water for growth of fish should be more than $\underline{X}$ ppm and Biochemical Oxygen Demand in clean water should be less than $\underlineY$ ppm. $X$ and $Y$ in ppm are, respectively.

JEE MainJEE Main 2023Environmental Chemistry

Solution:

The growth of fish gets inhibited if the concentration of dissolved Oxygen in water is less than $6$ ppm and Biochemical Oxygen demand in clean water should be less than $5$ ppm