Chemistry
The gases dissolved in natural water are
- oxygen and carbon dioxide
- hydrogen and oxygen
- sulphur dioxide and hydrogen
- chlorine and ammonia
Related Questions
Why is water very precious for all living beings? List four points
How does anomalous expansion of water help the aquatic organisms in cold climates?
Colloids have the particle size ranging between
- 10-7 to 10-10 m
- 10-10 to 10-12 m
- 10-7 to 10-5 m
- 10-12 to 10-15 m
Which of the following salts is hydrated?
- Common salt
- Potassium nitrate
- Blue vitriol
- Ammonium chloride