Question: The concentration of dissolved oxygen (DO) in cold water can go upto :
$10 \mathrm{ppm}$
$14 \mathrm{ppm}$
$16 \mathrm{ppm}$
$8 \mathrm{ppm}$
Correct Option: 1
Solution:
In cold water, dissolved oxygen (DO) can reach a concentration upto $10 \mathrm{ppm}$
