Download App

States of Matter — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStates of Matter1 Mark
MCQ
The surface tension of the liquid at its boiling point :
  • ✓
    becomes zero
  • B
    becomes infinity
  • C
    is equal to the value at room temperature
  • D
    None of these
✓

Answer

Correct option: A.
becomes zero
The surface tension of liquid decreases with increase in temperature.
The surface tension of a liquid become zero at its boiling point and vanishes at critical temperature.

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

The shape of $XeF^+_3$ is
→
$2$ moles of $N_2$ are mixed with $6$ moles of $H_2$ in a closed vessel of one litre capacity. If $50\%\, N_2$ is converted into $NH_3$ till equilibrium, find the value of $K_c$ for the reaction, ${N_2}(g) + 3{H_2}(g) \rightleftharpoons 2N{H_3}(g)$
→
An organic compound containing $C$ and $H$ has $92.3\%$ of carbon, its empirical formula is :
→
The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
→
Pyridine is less basic than triethylamine because
→
Benzene undergoes substitution reaction more easily than addition because:
→
Coal tar is main source of
→
Arrange following alkanes in order of their boiling points

$(A)$ Pentane

$(B)\,2-$ Methyl butane

$(C)\,2,2-$ Dimethyl propane

→
Which of the following is the best thing to do during heavy lighting?
→
$pH$  of a solution produced when an aqueous solution of $pH$ $6$  is mixed with an equal volume of an aqueous solution of $pH$ $3 $ is about
→