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Emulsions

The principal...

Question

The principal emulsifying agent for w/o emulsion is:

A

proteins

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B

gum

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C

lamp black

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D

synthetic soaps

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Solution

The correct option is D lamp black
The principal emulsifying agent for w/o emulsion is Lampblack or soot. Other emulsifying agents are the heavy metal salts of the fatty acids, long-chain alcohols, etc.

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