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Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry3 Marks
Question
What are emulsions? What are their different types? Give one example of each type.
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Answer

These are liquid-liquid colloidal systems or the dispersion of one liquid in another liquid.
Types:
  1. Oil dispersed in water (O/W type) Example; milk and vanishing cream.
  2. Water dispersed in oil (W/O type) Example; butter and cream.

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