With respect to a sol (a colloid) what is
  (i) dialysis
(ii) electrophoresis
(iii) coagulation ?

With respect to sol what is : Dialysis

What is (i) Tyndall Effect. (ii) Peptisation.

Read the following statements about 'Humus', Choose the best option (i) Humus is colloidal in nature (ii) Easily and Quickly decomposed by microbial action (iii) Reservoir of nutrients (iv) Dark coloured

(a) Write any two application of adsorption . (b) (i) What is 'Tyndall effect' ? (ii) In the coagulation of negative sol, arrange the following ions in ascending order of their flocculating power . Ba^2+Na+Al^3+ c) What is Heterogeneous catalysis ?

Define the following terms. (i) Mineral (ii) ore (iii) Gangue

With respect to proteins, what do you mean by i) primary structure ii) denaturation

Explain the following terms: (i) Electrophoresis (ii) Coagulation (iii) Dialysis (iv) Tyndall effect.

What are these? i) solid solutions ii) colligative properties iii) isotonic solution

(a) Define the following terms :(i) Commensalism. (ii) Brood parasitism. (iii) Mutualism