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    Question

    During freeze drying removal of moisture occurs due

    to
    A Pressure reduction Correct Answer Incorrect Answer
    B Condensation Correct Answer Incorrect Answer
    C Sublimation Correct Answer Incorrect Answer
    D Evaporation Correct Answer Incorrect Answer

    Solution

    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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