Write two differences between ideal and non-ideal solutions.

30 g of urea (M=60g mol^(-1) ) is dissolved in 846g of water. Calculate the vapour pressure of water for this solution if vapour pressure of pure water at 298 K is 23.8 mm Hg. (b) Write two differences between ideal solutions and non-ideal solutions,

Write two differences between essential and non-essential amino acids.

Define an ideal solution.

Using Raoult's law how could you distinguish between ideal and non-ideal solutions ?

Write three differences between true solutions and colloidal solutions.

Give two differences between an ohmic and non ohmic resistor.

Define biomolecules. Write two basic differences between biomolecules and molecules of non-living systems.

Write two points difference between . Fused lead bromide and hot aqueous solution of lead bromide .

Give an example of nearly ideal solution.

Explain the terms ideal and non-idealsolution in the light of forces of interactions operating between molecules in liquid solutions.