Difficult
Which experimental method and instrument are used to measure the colloidal properties of a polymer solution?
- ALight scattering by the solution
- BLight absorption by the solution
- CLight reflection by the solution
- DNone of the above
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Similar Questions
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Finest gold is red in colour,as the size of the particles increases,it appears purple then blue and finally gold.
Assertion $R$: The colour of the colloidal solution depends on the wavelength of light scattered by the dispersed particles.
In the light of the above statements,choose the most appropriate answer from the options given below:
Assertion $A$: Finest gold is red in colour,as the size of the particles increases,it appears purple then blue and finally gold.
Assertion $R$: The colour of the colloidal solution depends on the wavelength of light scattered by the dispersed particles.
In the light of the above statements,choose the most appropriate answer from the options given below:
What type of reaction is used to obtain $Au$ (sol)?
Reaction: $2AuCl_3 + 3HCHO + 3H_2O \rightarrow 2Au (sol) + 3HCOOH + 6HCl$
Reaction: $2AuCl_3 + 3HCHO + 3H_2O \rightarrow 2Au (sol) + 3HCOOH + 6HCl$
Medium
View SolutionWhich of the following electrolytes is least effective in causing flocculation of ferric hydroxide sol?
Easy
View SolutionWhich of the following statements is false?
Medium
View SolutionThe size of particles in suspension,true solution,and colloidal solution varies in the order:
Easy
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