(D) Sugar is a non-electrolyte and a non-ionic substance. When added to a colloidal solution,it does not provide ions to neutralize the charge on coll

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(D) Sugar is a non-electrolyte and a non-ionic substance. When added to a colloidal solution,it does not provide ions to neutralize the charge on colloidal particles,nor does it affect the stability of the colloid significantly. Therefore,it does not cause coagulation,ionization,or peptization. Thus,the correct option is $(D)$.

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

Medium

When sugar is added to a colloidal solution,it brings about:

A
Ionization
B
Coagulation
C
Peptization
D
None of these

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

Alum purifies muddy water by

Easy

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On adding a few drops of dilute $HCl$ or $FeCl_3$ to freshly precipitated ferric hydroxide,a red-coloured colloidal solution is obtained. This phenomenon is known as:

Medium

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Match List-$I$ with List-$II$.

List-$I$ List-$II$

$A$. Lyophilic colloid $I$. Liquid-liquid colloid

$B$. Emulsion $II$. Protective colloid

$C$. Positively charged colloid $III$. $FeCl_3 + NaOH$

$D$. Negatively charged colloid $IV$. $FeCl_3 + \text{hot water}$

Choose the correct answer from the options given below:

List-$I$	List-$II$
$A$. Lyophilic colloid	$I$. Liquid-liquid colloid
$B$. Emulsion	$II$. Protective colloid
$C$. Positively charged colloid	$III$. $FeCl_3 + NaOH$
$D$. Negatively charged colloid	$IV$. $FeCl_3 + \text{hot water}$