Non-Ionic Synthetic Emulsifying Agents Quiz
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Questions and Answers

What is the difference between spans and tweens?

  • Spans form W/O emulsions while tweens form O/W emulsions (correct)
  • Spans are water-soluble while tweens are not
  • Spans are hydrophilic while tweens are lipophilic
  • Spans are polyoxyethylene derivatives while tweens are fatty acid esters

    • What is an example of a non-ionic synthetic emulsifying agent?

  • Span 80 (correct)
  • Triethanolamine oleate
  • Sodium lauryl sulfate
  • Calcium stearate

    • What are the advantages of non-ionic surfactants over anionic and cationic surfactants?

  • None of the above.
  • They are not affected by the presence of electrolytes.
  • Both A and B. (correct)
  • They are not susceptible to pH changes.

    • What are the disadvantages of using soaps orally (internally)?

    <p>All of the above.</p> Signup and view all the answers

    What is the nascent soap method used for?

    <p>To prepare alkali soaps.</p> Signup and view all the answers

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