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The water having more dissolved O 2 is :

Options

  1. Aboiling water
  2. Bwater at 80 ° C
  3. Cpolluted water
  4. Dwater at 4 ° C

Correct answer

D. water at 4 ° C

Step-by-step solution

On heating concentration of O 2 in water decreases. So boiling water and water at 80 ° C having less O 2 concentration. Polluted water also having less O 2 concentration. So water at 4 ° C is having maximum O 2 concentration.

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