Which of the following statements are correct? |
(i) Smaller the gold number of lyophilic colloid, the larger will be its protective power. |
(ii) Lyophilic sols, in contrast to lyophobic sols can easily coagulate on addition of small amount of electrolyte. |
(iii) Ferric chloride solution is used to stop bleeding from a fresh cut because it coagulates the blood. |
(iv)The flocculation value of arsenious sulphide sol is independent of the charge of anion of the coagulating electrolyte. |
A) (i), (ii) and (iii)
B) (i), (iii) and (iv)
C) (ii), (iii) and (iv)
D) (i), (ii) and (iv)
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec