Give any two limitations of Raoult's law.

Write any two limitations of Ecological Pyramids.

Give the limitations of the first law of thermodynamics.

How can solar energy be harnessed ? Mention any two limitations in using solar energy. How are these limitations overcome ?

Give one example each of miscible liquid pairs showing positive and negative deviation from Raoult's law. Give one reason for each for such deviations.

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta_("so")H related to positive and negative deviations from Raoult's law ?

Two liquids A and B on mixing produce a warm solution. Which type of deviation from Raoult's law does it show?

The liquid pair of acetone-chloroform shows a positive deviation form Raoult's law.

Mixing of acetone with chloroform takes place with reduction in volume? What type of deviation from Raoult's law is shown in this case?

When a solution of CHCl_(3) and acetone is formed, the solution is non-ideal with ………deviation from Raoult's law. The vapour pressure of such a solution will be ………….than the corresponding ideal solution.

Non - ideal solutions exhibit either positive or negative deviations from Raoult's law. What are these deviations and why are they caused? Explain with one example for each type.