Question

Gold number of protective colloids A, Band Dare 0.50, 0.01 and 0.10 and 0.005. The correct order of their protecting power is

Options

• B < D < A < C

• D < A < C < B

• C < B < D < A

• A < C < B < D

Answer 1

A < C < B < D

Explanation:

The greater the value of gold, the greater the protective power of protective colloid. In light of this, the correct sequence is A < C < B < D.