(B) Smoke is a colloidal system where solid particles (like carbon) are dispersed in a gaseous medium (like air). Therefore,it is a dispersion of a so

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(B) Smoke is a colloidal system where solid particles (like carbon) are dispersed in a gaseous medium (like air). Therefore,it is a dispersion of a solid in a gas.

Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

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Smoke is a colloidal dispersion of :-

A
$A$. $A$ gas in a solid
B
$B$. $A$ solid in a gas
C
$C$. $A$ gas in a gas
D
$D$. $A$ liquid in a gas

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Class 12 Questions

Class 12

Chemistry Questions

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Surface Chemistry

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Colloids, Emulsion, Gel and Their properties with application

In an electrophoresis setup,a colloidal solution of glycine having a $pH$ of $5.97$ is kept at constant $T$ and $P$. What will happen if a few drops of base are added to it?

MediumAP EAMCET 2020

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Match the items in List-$I$ with the items in List-$II$.
List-$I$ List-$II$
$A$. Negatively charged sol $I$. Emulsion
$B$. Milk $II$. Kala-azar
$C$. Gold number $III$. $FeCl_3$ solution is added to excess $NaOH$ solution
$D$. Colloidal antimony $IV$. Protection of colloids

List-$I$	List-$II$
$A$. Negatively charged sol	$I$. Emulsion
$B$. Milk	$II$. Kala-azar
$C$. Gold number	$III$. $FeCl_3$ solution is added to excess $NaOH$ solution
$D$. Colloidal antimony	$IV$. Protection of colloids

EasyTS EAMCET 2023

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