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5th

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pH scale hairdressing

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9 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    What is the pH of hair and skin

    pH 6.5-7.5

    pH 3.5-4.5

    pH 4.5-5.5

    pH 8.5-9.5

  • 2. Multiple Choice
    30 seconds
    1 pt

    Permanent colour has an approximate pH of

    5.5

    9.5

    3.5

    8.5

  • 3. Multiple Choice
    30 seconds
    1 pt

    What numbers represent acids on the pH scale?

    0-5

    0-5.9

    0.-6.9

    7.1-14

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