Advertisements
Advertisements
Question
Around 97% of water available on earth is ______ water.
Options
fresh
pure
salty
polluted
Advertisements
Solution
Around 97% of water available on earth is salty water.
APPEARS IN
RELATED QUESTIONS
Name the four main sources of water.
Give reason of Alcohol is mixed with water and is used in car radiator.
What are its causes and how can water pollution be controlled ?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
From where do the following usually get water? In which form is water present in them?
Clouds
From where do the following usually get water? In which form is water present in them?
Aquifer
Why should we not throw cooking oil and fats down the drain?
Why is there a need for conserving water? Give two reasons.
