Question 12) Which of the following is a mixture in which relatively large parti

Question

Question 12) Which of the following is a mixture in which relatively large particles are dispersed uniformly throughout a gas, liquid, or solid?

a. Dispersion medium

b. Colloid

c. Electrolyte

d. Dispersed phase

Question 13) How is a colloidal system prepared?

a. Adding salt to a solution

b. Producing colloidal particles and precipitating them

c. Producing colloidal particles and distributing them in a dispersion medium

d. Suspending aggregates in solution

a. Dispersion medium

b. Colloid

c. Electrolyte

d. Dispersed phase

Explanation / Answer

12. Colloid system in which particles of dispersion phase are dispersed in the dispersion medium.

13.c  Producing colloidal particles and distributing them in a dispersion medium

this is particularly the method of preparation of lyophillic colloids.

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