CHEMISTRY · Single correct · CBSE · Chemistry · Is Matter Around Us Pure? · Colloids
Problem
Gold number of casein, haemoglobin and gelatin are 0.01, 0.03 and 0.005 respectively. Which is most powerful protecting agent?
(1) Casein
(2) Haemoglobin
(3) Gelatin
(4) All are equally having same power