Download App

Surface Chemistry — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
Question
(a) Why are medicines more effective in colloidal state?
(b) What is difference between an emulsion and a gel?
✓

Answer

(a) Colloids have a larger surface area. Therefore, they get easily absorbed and digested.
(b) In emulsion the dispersion medium is a liquid while in gel the dispersion medium is a solid.

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 "1 Marks Question" from Surface Chemistry→Surface Chemistry — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Why is adsorption always exothermic?
→
Write structure of the compound whose IUPAC names are as follow:3,5-Dimethylhexane –1, 3, 5-triol.
→
Name those elements of the first transition series which show only one type of oxidation state.
→
Why is $NH_2$ group of aniline acetylated before carrying out nitration?
→
What happens when :
methyl chloride is treated with KCN?
→
What is the role of pyridine in the acylation reaction of amines?
→
Write down the order of solubility in water of the following compounds-pentan-l-ol (I), 2-methyl butan-$2- $ol (II) and pentan-2-ol (III).
→
What would be the value of van’t Hoff factor for a dilute solution of $\ce{K_2SO_4}$ in water?
→
On the basis of crystal field theory, write the electronic configuration for $d^4$ ion if$\triangle_{0} < \text{P}$ .
→
Write the structure of the major organic product of the reaction :
$CH _3 CH _2 CH _2 OH + SOCl _2  \longrightarrow$
→