Water Pollution

JEE Main Chemistry · Environmental Chemistry · 5 questions, latest first

• Given below are two statements: Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm, then it is a good quality water.…202311 April, Shift 1 · Q71
• Match List I with List II: Choose the correct answer from the options given below:20238 April, Shift 1 · Q71
• The water quality of a pond was analysed and its BOD was found to be 4. The pond has202330 January, Shift 2 · Q41
• The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in…202329 January, Shift 2 · Q41
• A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals. C.…202325 January, Shift 2 · Q41