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Questions and Answers
What is the advantage of using synthetic emulsifiers over natural gums?
What is the advantage of using synthetic emulsifiers over natural gums?
- Synthetic E.As. cannot be used in externally applied emulsions
- Synthetic E.As. can only give O/W emulsions
- The ratio of hydrophilic to lipophilic groups in synthetic E.As. can be altered to give a wide range of E.As. (correct)
- Synthetic E.As. are easily decomposed by microorganisms
What types of emulsions can synthetic emulsifiers give?
What types of emulsions can synthetic emulsifiers give?
- Neither O/W nor W/O emulsions
- Only O/W emulsions
- Only W/O emulsions
- Both O/W and W/O emulsions (correct)
Which synthetic emulsifiers are safe for internal use?
Which synthetic emulsifiers are safe for internal use?
- None of the above
- Only a limited number of synthetic agents such as spans, tweens, and glyceryl monostearate are safe for internal use (correct)
- Only natural gums are safe for internal use
- All synthetic emulsifiers are safe for internal use
Which of the following is a benefit of using synthetic emulsifiers over natural gums?
Which of the following is a benefit of using synthetic emulsifiers over natural gums?
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Which synthetic emulsifiers are safe for internal use?
Which synthetic emulsifiers are safe for internal use?
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What is a unique advantage of synthetic emulsifiers in terms of their molecular structure?
What is a unique advantage of synthetic emulsifiers in terms of their molecular structure?
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