Question
Question: Gold number is maximum for the lyophilic sol is....
Gold number is maximum for the lyophilic sol is.
A
Gelatin
B
Haemoglobin
C
Sodium oleate
D
Potato starch
Answer
Potato starch
Explanation
Solution
Gold number shows the protective power of a lyophilic solution. Lesser the gold number, greater will be the protecting power of that colloid. Gelatin is one of the best protective colloid. Among the given colloids, potato starch has maximum gold number.