CBSE 12th Standard Chemistry Subject Surface Chemistry HOT Questions Fill Up Questions With Solution 2021
By QB365 on 28 May, 2021
QB365 Provides the HOT Question Papers for Class 12 Chemistry, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams
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CBSE 12th Standard Chemistry Subject Surface Chemistry HOT Questions Fill Up Questions With Solution 2021
12th Standard CBSE
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Reg.No. :
Chemistry
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The conductance of an emulsion increases on adding common salt. What type of emulsion is it?
(a)Oil in water type of emulsion.
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What is syneresis or weeping of gels?
(a)On allowing a gel to stand for a long time it shrinks and loses all its liquid content. The shrinking of gel is called syneresis or weeping.
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Most effective electrolyte causing the coagulation of negatively charged AS2S3 solution is
(a) MgCl2 b) KCl c) K3 [Fe(CN)4] d) Na2SO4.(a)K3 [(Fe(CN)6]
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Silicate garden is developed by setting of colored ions in the void of silicates. It is a case of -----------------.
(a)Adsorption
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What is purple of casius?
(a)It is the colloidal solution of gold.
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CBSE 12th Standard Chemistry Subject Surface Chemistry HOT Questions Fill Up Questions With Solution 2021 Answer Keys
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Oil in water type of emulsion.
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On allowing a gel to stand for a long time it shrinks and loses all its liquid content. The shrinking of gel is called syneresis or weeping.
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K3 [(Fe(CN)6]
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Adsorption
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It is the colloidal solution of gold.
