Which of the following best describes the results of using water-based foam designed for hydrocarbons on polar solvents?
A. Polar solvents are soluble in water and the foam will mix with the solvent making the foam ineffective
B. Polar solvents are soluble in water, however, the water will dilute the solvent and will control the fire through dilution.
C. Foam designed for hydrocarbons is equally effective on polar solvents by creating a film over the liquid and smothering the fire.
D. There is no difference in application techniques; however the percentage of foam in water must be increased for polar solvents.
Answer: A. Polar solvents are soluble in water and the foam will mix with the solvent making the foam ineffective
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