1. If 2 gm of NaOH is present is 200 ml of its solution, its molarity will be

2. The atmospheric pollution is generally measured in the units of

3. A 5% solution of cane-sugar (molecular weight = 342) is isotonic with 1% solution of substance A. The molecular weight of X is

4. 232 gm of sugar syrup contains 32 gm of sugar. What is the molal concentration of the solution. (a) 0.1

5. H

6. Atomic mass is equal to

7. Henry’s law constant for molality of methane is benzene at 298 K is 4.27 × 10

8. How much oxygen is dissolved in 100 rnL water at 298 K if partial pressure of oxygen is 0.5 atm and K = 1.4 × 10

9. The law which indicates the relation’-hip between solubility of a gas in liquid and pressure rs

10. Among the following substances the lowest vapour pressure is exerted by