Give one example each of 'oil water' and 'water oil' emulsion.

What are emulsions ? Give an example of oil in water and water in oil emulsion.

What are emulsions? Give an example of oil dispersed in water (o/w) type emulsion.

What are emulsions? Give an example of oil disperesed in water (o/w) type emulsion.

Give one example of oil in water type emulsion.

Give an example of an oil dispersed in water emulsion.

(a) Give any three differences between Physisorption and chemisorption (b) (i) Mention the role of alum in the purification of drinking water. (ii) Give an example of an oil dispersed in water emulsion.