Question

.3 In pasteurization, why does the liquid have to be boiled before cooling, and not the other way round?

Answer 1

the liquid have to be boiled before cooling, and

not the other way round?

because A liquid boils at a temperature at which its vapor pressure is equal to the pressure of the gas above it. The lower the pressure of a gas above a liquid, the lower the temperature at which the liquid will boil

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