Air under pressure is blown into the filtered water. This process is called
Chlorination
Aeration
Filtration
Sedimentation
In the __________, water exists as water vapour or steam.
Liquid form
Solid state
Gaseous form
Combined state
The solubility of gases in water ___________ with a rise in temperature.
Decrease
Increase
No effect
Increase rapidly
The electricity produced by using the flow of water from a dam is called
Hydroelectricity
Thermo electricity
Nuclear electricity
Heat
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 which is dissolved in water is called
Solute
Solvent
Solution
Mixture
Wells and springs are __________ sources
Fresh e=water
Surface water
Salt water
Underground water
The substance that do not dissolve in water are called
Soluble in
Insoluble
Miscible with
Immiscible with
The substance in which solute is dissolved is called
The substance that dissolves in water are called _______________ water.
Insoluble in
