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    Question

    Which of the following colors indicates the presence of

    sodium carbonate or sodium bicarbonate in milk during the Rosalic acid test?
    A Pink Correct Answer Incorrect Answer
    B Red Correct Answer Incorrect Answer
    C Blue Correct Answer Incorrect Answer
    D Brownish Correct Answer Incorrect Answer
    E None Correct Answer Incorrect Answer

    Solution

    During the Rosalic acid test, the appearance of a red color indicates the presence of sodium carbonate or sodium bicarbonate in milk, while pink color indicates the presence of sodium hydroxide, potassium hydroxide, or calcium hydroxide

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