Identify the correct statements :

(A) The molality of 2.5 g of ethanoic acid (Molar mass : $60 \mathrm{~g} \mathrm{~mol}^{-1}$ ) in 75 g of benzene solution is 0.556 m .

(B) The molarity of a solution containing 5 g of NaOH (molar mass : $40 \mathrm{~g} \mathrm{~mol}^{-1}$ ) in 450 mL of solution is 0.278 M at 298 K .

(C) Aquatic species are more comfortable in cold water.

(D) The solubility of gas increases with decrease in pressure.

(E) For a binary mixture of $A$ and $B$, the number of moles of $A$ and $B$ are $n_A$ and $n_B$ respectively. The mole fraction of $B$ will be $x_B=\frac{n_A}{n_A+n_B}$.

Choose the correct answer from the options given below :

Mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law due to :

Match List-I with List-II

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5 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure $X$ and $Y$ are 63 torr and 78 torr respectively. Which of the following is true regarding the described solution?