Question

What is a foam?......
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Answer 1

Answer:

A foam is a colloidal solution of either gas disprsed in liquid or gas dispersed in solid

Eg - shaving cream, sponge, pumice etc

Explanation:

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Answer 2

Answer:

Foam is an object formed by trapping pockets of gas in a liquid or solid. A bath sponge and the head on a glass of beer are examples

Explanation:

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