Download App

Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
MCQ
Soaking of water by a sponge is an example of:
  • A
    Simple adsorption.
  • ✓
    Physical adsorption.
  • C
    Chemisorption.
  • D
    Absorption.
✓

Answer

Correct option: B.
Physical adsorption.
Soaking of water by a sponge is an example of physical adsorption.
Water molecules are held to the surface of the sponge by weak van der Waals forces.

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 Surface Chemistry→Surface Chemistry — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A $0.5$ percent solution of potassium chloride was found to freeze at $-0.24^{\circ} C$. The percentage dissociation of potassium chloride is .... (Nearest integer)

(Molal depression constant for water is $1.80\, K\, kg\,mol ^{-1}$ and molar mass of $KCl$ is $74.6 \,g\, mol ^{-1}$ )

→
Which of the following combinations can be used for the preparation of cis vic diol?
→
In the reaction  $C{H_3}COOH\xrightarrow{{PC{l_5}}}(A)\xrightarrow{{N{H_3}}}(B)\xrightarrow{{NaBrO}}(C).$ 

the final product $(C)$ is

→
Which of the following has least polar $C−X$ bond?
→
The van't Hoff factor $i$ for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
→
$C{H_3} - C{H_2} - C \equiv CH\mathop {\xrightarrow{{HgS{O_4}}}}\limits_{{H_2}S{O_4}} $ $A,$ the compound $A$ is
→
How to do the following conversion: $RCOOCI + ? \rightarrow RCHO$
→
Reaction of Chlorobenzene with $\mathrm{CH}_3 \mathrm{Cl}$ in presence of $\mathrm{AlCl}_3$​ gives:
→
When chlorine water is added to a solution of $KBr$, the solution immediately turns orange red, because
→
An example of colloidal sol in which the affinity of the sol particles for the medium is due to hydrogen bonding is:
→