Gold numbers of some colloids are : Gelatin : `0.005-0.01`,Gum Arabic :`0.15-0.25`, Oleate :`0.04-
Channel: Doubtnut
Date: 2020-01-03

Gold numbers of some colloids are : Gelatin : `0.005-0.01`,Gum Arabic :`0.15-0.25`, Oleate :`0.04-1.0`, Starch `:15-25`. Which among these is a better protective Colloid ?