Which of the following solution shows highest osmotic pressure?

The boiling point of water in a pressure cooker is

The osmotic pressure of a dilute solution is directly proportional to the

Which of the following $0.1 \mathrm{M}$ aqueous solutions will have the lowest freezing point?

One of the following is not affected by the change in temperature

$10 \mathrm{mL}$ of conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$ ($18$ molar) is diluted to $1$ litre. The approximate strength of dilute acid would be

$12 \mathrm{g}$ of ${\mathrm{H}}_2{\mathrm{SO}}_4$ is dissolved in water to make $1200 \mathrm{mL}$ of the solution. The concentration in normality is

The molarity of pure water is

$5.85 \mathrm{g}$ of $\mathrm{NaCl}$ is dissolved in $90 \mathrm{g}$ of water. The mole fraction of the solute is