1. Sprinkling of salt helps in clearing the snow covered roads in hills. The phenomenon involved in the process is

2. For carrying reverse osmosis for desalination of water the material used for making semipermeable membrane is

3. What will be the degree of dissociation of 0.1 M Mg(NO

4. Which of the following units is useful in relating concentration of solution with its vapour pressure?

5. At equilibrium the rate of dissociation of a solid solute in a volatile liquid solvent is