The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Bioc — JEE Mains Chemistry Past Papers Chemistry Question

Question

The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in clean water should be less than Y ppm. X and Y in ppm are, respectively. (A) X Y (B) X Y (C) X Y (D) X Y