Multiple choice

The foams used in fire retardant , especially oil fires is

  1. liquid foam

  2. solid foam

  3. syntactic foam

  4. integral skin foam
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Liquid foams can be used in fire retardant foam, found use in extinguishing fires, especially oil fires. In some ways, leavened bread is a foam, as the yeast causes the bread to rise by producing tiny bubbles of gas in the dough.

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