Download App

States of Matter — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStates of Matter1 Mark
MCQ
For a non $-$ volatile solute :
  • A
    Vapour pressure of solution is more than vapour pressure of solvent
  • B
    Vapour pressure of solvent is zero
  • ✓
    Vapour pressure of solute is zero
  • D
    None of these
✓

Answer

Correct option: C.
Vapour pressure of solute is zero
Non $-$ volatile solute always has zero vapour pressure since no vapour is form from solute.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from States of Matter→States of Matter — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Given are two statements one is labelled as Assertion $A$ and other is labelled as Reason $R$.

Assertion $A$ :Magnesium can reduce $Al _{2} O _{3}$ at a temperature below $1350^{\circ} C$, while above $1350^{\circ} C$ aluminium can reduce $MgO$.

Reason $R$ : The melting and boiling points of magnesium are lower than those of aluminium.

In light of the above statements. choose most appropriate answer from the options given below

→
Zinc sulphate contains $22.65\%$ of zinc and $43.9\%$ of water of crystallization. If the law of constant proportions is true, then the weight of zinc required to produce $20\, g$ of the crystals will be ............. $\mathrm{g}$
→
Which of the following pairs of $d-$ orbitals will have electron density along the axes ?
→
For the fuel cell reaction

$2H_2(g) + O_2(g) \to 2H_2O(l)$  ;     $\Delta _fH^o_{298}(H_2O(l)) = -285.5\, kJ/mol$

What is $\Delta S^o_{298}$ for the given fuel cell reaction ?

Given $: O_2(g) + 4H^+(aq) + 4e^- \to  2H_2O(l)$   $E^o = 1.23\, V$

→
A solution of an acid has $pH = 4.70.$ Find out the concentration of $OH^-$ ions $(pK_w = 14).$
→
$pH$ of a $H_2SO_4$ solution is $5.0$ If more $H_2SO_4$ is mixed in this solution then  $pH$ becomes $2.0$ then concentration of $H^+$ will becomes.....$times$
→
In a reversible reaction $A\underset{{{k_2}}}{\overset{{{k_1}}}{\longleftrightarrow}}B,$ the initial concentration of $A$ and  $B$ are $a$ and $b$ and the equilibrium concentration are $(a -x)$ and $(b + x)$ respectively. Express $"x"$ in terms of $k_1, k_2,$ $a$ and $b$
→
For $N_2 + 3H_2 \rightarrow  2NH_3, \Delta H = -22\  kcal$, and $E_a = 70\  kcal$. Hence $E_a$ for $2NH_3   \rightarrow N_2+3H_2$ is.....$kcal$
→
Correct order is
→
Mass can neither be created nor destroyed. This is in agreement with which law of chemical combination?
→