Which one of the following colloidal solution is positive sol? A. Gelatin in strongly acidic solution B. Smoke C. Dlay soil D. Blood
Colloidal particles always carry an electric Charge. It is of two types Positive or Negative positively charged sols consists of metallic hydroxide sols, dye stuffs , haemoglobin etc. Among all the given option , gelatine in acidic medium is correct ans.
