Testing Lemon for Acidity

Testing Lemon for Acidity

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Credit: Turtle Rock Scientific/SCIENCE PHOTO LIBRARY

Caption: Testing lemon for acidity. Universal indicator changes its colour depending on the pH. Here a universal indicator paper strip has changed colour from yellow to red after it was put in contact with a freshly sliced lemon. The test shows that lemon is acidic.

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Keywords: acid, acidity, ascorbic acid, chemical, chemistry, citric acid, indicator, lemon, litmus test, paper, ph, ph indicator, strip, test, testing, universal indicator, vitamin c

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