Consider the following statements: I. Pine oil is used as antifoaming agent in the emulsion paints. II. Protective colloids are used in the emulsion paints to decrease their stability. III. Driers having oxidizable oils are added to the emulsion paints to accelerate drying process. Which of the statements given above is/are correct?

Pine oil is indeed added to emulsion paints as an antifoaming agent to suppress foam formation during manufacture and application — statement I is correct. Protective colloids are added to emulsion paints to INCREASE (not decrease) their stability by preventing coagulation of dispersed particles — statement II is incorrect. Driers contain metal salts that catalyse the oxidative polymerisation of drying oils, thereby accelerating the drying of the paint film — statement III is correct. Hence statements I and III are correct.