Wells and springs are __________ sources
Fresh e=water
Surface water
Salt water
Underground water
The substance in which solute is dissolved is called
Solute
Solvent
Solution
Mixture
___________ is used for removing suspended impurities in water.
Sedimentation
Boiling
Chlorination
Aeration
Air under pressure is blown into the filtered water. This process is called
Filtration
In the __________, water exists as water vapour or steam.
Liquid form
Solid state
Gaseous form
Combined state
Sea and ocean water contains large amount of salts and these make the water salty and is called
Distilled water
Rain water
Saline water
Well water
The substance that do not dissolve in water are called
Soluble in
Insoluble
Miscible with
Immiscible with
The substance which is dissolved in water is called
In the ___________, water occurs in oceans, seas, rivers, lakes, ponds, springs, wells etc.
Solid form
Mixture or combined form
____________ is essential for photosynthesis.
Water
Oxygen
Carbon monoxide
Nitrogen
