List of top Chemistry Questions on Colloids asked in CUET (UG)

The gold number range of some of the lyophilic colloids is given below: 
A: 0.005 - 0.01,  B: 0.15 - 0.25,  C: 0.04 - 1.0,  D: 15 - 25.

The gold number range of some lyophilic colloids is given below: A: 0.005–0.01, B: 0.15–0.25, C: 0.04–1.0, D: 15–25
Coagulating power of an ion for a colloid solution depends on
Which of the following electrolytes will have maximum coagulating value for AgI/Ag$^+$ sol?
Which of the following sols are correctly matched with their corresponding charges?
(A) Cr(OH)3 sol: negatively changes sol
(B) TiO2 sol: positively charges sol
(C) CdS sol : positively charged sol
(D) Gum : negatively sol
(E) Silver sol : positively charged sol
Choose the correct answer from the option given below
Which of the following statements are true?
A. Flocculation value is inversely proportional to the coagulating power.
B. Colloidal silicon is a protective colloid.
C. Alum is used for cleaning muddy water.
D. Gelatin is added to ice cream to act as an emulsifier.
Choose the most appropriate answer from the options given below.
The minimum concentration of an electrolyte in millimoles per litre which is required to cause the precipitation of a sol in two hours is called as: