Which one will act as best protective colloid?
(a) Gelatin (gold No. = 0.005)
(b) Gum arabic (gold No.= 0.15)
(c) Egg albumin (gold No. = 0.08)
(d)
Correct option (a) Gelatin (gold No. = 0.005)
Explanation:
Lesser the gold number better the protective colloid
