The law depicted by the provided graph is:

1.	Henry's law	2.	Raoult's law
3.	Boyle's law	4.	Charle's law

Which graph represents the positive deviation of vapor pressure?

1.		2.
3.		4.	None of the above

Which graph represents the elevation in boiling point?

1.
2.
3.
4.	None of the above.

The graph, amongst the following, that represents depression in the freezing point is:

1.
2.
3.
4.	None of the above

Points A and B in the below-mentioned graph represent, respectively:

The graph representing Henry's law is given below:

The value of the slope will be:

The type of molecular interactions in a solution of alcohol and water is:

A drinking water sample was found to be contaminated with chloroform at a level of 15 ppm (by mass). What is the mass percent of chloroform in the sample?

1. $15\times {10}^{-4}$

2. $1.5\times {10}^{-4}$

3. $0.15\times {10}^{-4}$

4. $15\times {10}^{-5}$

An antifreeze solution is prepared from 222.6 g of ethylene glycol (C₂H₆O₂) and 200 g of water. The molality of the solution would be:

A solution is obtained by mixing 300 g of 25 % solution and 400 g of 40 % solution by mass. The mass percentage of solute in the resulting solution is:

1. 33.5 %

2. 36.5 %

3. 37.4 %

4. 32.5 %