Is a foam "solid", "liquid", or "gas"??
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foam is semi solid it is a colloid it is gas dispersed in solid
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Foam is an object formed by trapping pockets of gas in a liquid or solid. ... In most foams, the volume of gas is large, with thin films of liquid or solid separating the regions of gas. Soap foams are also known as suds. Solid foams can be closed-cell or open-cell.
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