Hemoglobin and gold sol are examples of
(a) Negatively charged sols
(b) Positively charged sols
(c) Negatively and positively charged sols, respectively
(d) Positively and negatively charged sols, respectively
Hemoglobin and gold sol are examples of
(a) Negatively charged sols
(b) Positively charged sols
(c) Negatively and positively charged sols, respectively
(d) Positively and negatively charged sols, respectively
Hemoglobin positive sol
Ag − sol negative sol