The solubility of gases in water ___________ with a rise in temperature.
Decrease
Increase
No effect
Increase rapidly
The substance which is dissolved in water is called
Solute
Solvent
Solution
Mixture
The substance in which solute is dissolved is called
The simplest method to obtain pure water free from soluble impurities is
Crystallisation
Condensation
Distillation
Filtration
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
In the __________, water exists as water vapour or steam.
Liquid form
Solid state
Gaseous form
Combined state
Which is the process of removing dissolved salts from sea or ocean water?
Desalination
Electrolysis
Osmosis
Hydrolysis
Wells and springs are __________ sources
Fresh e=water
Surface water
Salt water
Underground water
Solution of any substance in water is known as
Saturated solution
Aqueous solution
Supersaturated solution
Unsaturated solution
The substance that do not dissolve in water are called
Soluble in
Insoluble
Miscible with
Immiscible with