Chemistry
(a) Define solubility.
(b) State two factors by which the solubility of a solute in a solvent can be increased.
Answer
(a) The amount of solute that dissolves in a given quantity of solvent at a given temperature to form a saturated solution is called the solubility of the solute.
(b) Solubility of solute is increased by :
- Heating — Heating increases the capacity of a solvent to dissolve more solute in the same volume.
- Stirring — Stirring the solute in the solvent helps in quick dissolution.
Related Questions
Define:
(a) Solute
(b) Solvent
(c) Solution
(d) Saturated solution
(e) Unsaturated solution
Why is water called a universal solvent ?
Chlorination of water is done to :
- kill germs
- remove the suspended impurities
- remove the dissolved impurities
- none of the above
A method used to kill harmful germs present in water is:
- sedimentation
- decantation
- boiling
- filtration