Question

During freeze drying removal of moisture occurs due to

a)       Pressure reduction

b)      Condensation

c)       Sublimation

d)      Evaporation

A Only A is correct Correct Answer Incorrect Answer
B Only B is correct Correct Answer Incorrect Answer
C Only C is correct Correct Answer Incorrect Answer
D A and B are correct Correct Answer Incorrect Answer
E C and D are correct Correct Answer Incorrect Answer

Solution

Explanation: The bulk of water removed from the product during freeze drying is via sublimation of all of the free ice crystals during the primary drying step.

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