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Published on: 28/05/2021
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
Download CBSE Class 12th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Chemistry
Questions + Answers key
Take MCQ Chemistry Test1.
What is purple of casius?
2.
Most effective electrolyte causing the coagulation of negatively charged AS2S3 solution is
(a) MgCl2 b) KCl c) K3 [Fe(CN)4] d) Na2SO4.
3.
What is syneresis or weeping of gels?
4.
The conductance of an emulsion increases on adding common salt. What type of emulsion is it?
5.
Silicate garden is developed by setting of colored ions in the void of silicates. It is a case of -----------------.
1.
( )
It is the colloidal solution of gold.
2.
( )
K3 [(Fe(CN)6]
3.
( )
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.
4.
( )
Oil in water type of emulsion.
5.
( )
Adsorption
12th Standard CBSE Syllabus & Materials
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