Question

how the solubility of a substance increases on increasing temperature​

Answer 1

On increasing the temp. molecules of the substance get further away.

Thus, give more space to a solute to dissolve...

Hope it will help :)

Answer 2

Explanation:

For many solid dissolved bin liquid water,, the solubility increases with temperature.. the increase in kinetic energy that comes with higher temperature allow the solvent molecules to more effective break apart the solute molecules that are held together by inter molecular attraction