The density of 68% nitric acid by mass in an aqueous solution is 1.504 $g {\mathrm{mL}}^{-1}$. The molarity of the acid solution would be -

A solution of glucose (M.W =$180 \mathrm{g} {\mathrm{mL}}^{-1}$)  in water is 10% w/w. The mole fraction of each component in the solution is -

An antifreeze solution is prepared from 222.6 g of ethylene glycol $\left({\mathrm{C}}_2{\mathrm{H}}_6{\mathrm{O}}_2\right)$and 200g of water. The molality of the solution would be -

A sample of drinking water was contaminated with chloroform. The level of contamination was 15 ppm (by mass). The mass percent of chloroform is-

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

The graph representing Henry's law is given below:

The value of the slope will be

$$\begin{gathered} 1. 4\times {10}^{-4} \mathrm{torr} \\ 2. 5\times {10}^{-4} \mathrm{torr} \\ 3. 4\times {10}^4 \mathrm{torr} \\ 4. 5\times {10}^4 \mathrm{torr} \end{gathered}$$

Consider the following graph:

Point A and B in the above mentioned graph represent, respectively

The law represented by given graph is -

The graph, amongst the following, representing positive deviation of vapour pressure is-

The correct graph, amongst the following, that represents the elevation in boiling point is -

The following solutions were prepared by dissolving 10g of glucose (C₆H₁₂O₆) in 250 ml of water (P₁). 10g of urea (CH₄N₂O) in 250 ml of water (P₂) and 10 g of sucrose (C₁₂H₂₂O₁₁) in 250 ml of water (P₃). The decreasing order of osmotic pressure of these solutions is:

The correct option for the value of vapour pressure of a solution at 45$°$C with benzene to octane in a molar ratio 3:2 is :

[At 45$°$C vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]