22. Which of the following dissolved gases are present
in drinking water?
(a) oxygen and nitric oxide
(b) oxygen and carbon monoxide
(c) oxygen and carbon dioxide
(d) oxygen and nitrogen
Answers
Answered by
1
Answer:
(c) oxygen and carbon dioxide
Explanation:
The main gases dissolved in purified water are oxygen and carbon dioxide, plus traces of inert gases, all in equilibrium with ambient air.
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Answered by
1
Answer:
Option C
Oxygen and carbon dioxide
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