pH Analysis: Quad Color Indicator


Test the acidity of many common everyday substances using pH paper (four color indicators). Materials including soap, lemon juice, milk, and oven cleaner can be tested by comparing the color of the pH strips to the calibrated scale.

Screenshot of pH Analysis: Quad Color Indicator Gizmo

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User Recommendations (2):

  • avatar
    Good Review on pH for SCH 4U1

    SCIENCE:  11th Grade, 12th Grade | Chemistry

    By: Ruth Tanner (Ontario) | Recommended 111 days ago

  • avatar
    Great to reinforce scientific method!

    SCIENCE:  5th Grade

    By: Dorothy Dreher (New Jersey) | Recommended 311 days ago

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