Q. The principal emulsifying agent for O/W emulsions is/are _.
Solution:
- When oil and water are mixed powerfully, they form either oil-in-water (o/w) or water-in-oil (w/o) emulsions.
- In o/w emulsions, oil is dispersed in a continuous water phase.
- The principal emulsifying agent for o/w emulsion is lampblack or soot.
- Other emulsifying agents are the heavy metal salts of the fatty acids, long-chain alcohols, etc.
Get Question Bank
Strengthen Your Practice with our comprehensive question bank.