(Colloid): Sol or Colloid is the state of solution in which size of solute particles, are intermediate that of real solution and suspension. Solution: Solution is a homogenous mixture of two or more than two substances. Lemon, water, soda water, cold drinks, etc are examples of solution. Suspension: Suspension is a heterogenous mixture in which particles of solute are suspended throughout the solvent. Suspended particles can be seen with naked eyes.