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    Question

    Lye peeling is done at a temperature

    of:
    A 75°C Correct Answer Incorrect Answer
    B 84°C Correct Answer Incorrect Answer
    C 93°C Correct Answer Incorrect Answer
    D 105°C Correct Answer Incorrect Answer

    Solution

    Lye peeling uses hot NaOH (93°C) to dissolve peels of tomatoes/peaches. The alkali hydrolyzes pectin, followed by rinsing to remove residual lye. 

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