Testing Solution for pH

Testing Solution for pH

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Credit: SCIENCE SOURCE/SCIENCE PHOTO LIBRARY

Caption: Testing solution for pH. Universal indicator changes its colour depending on the pH of the solution. Shown here is a universal indicator paper strip testing vinegar for pH. The strip colour (orange) indicates that the vinegar is an acidic solution.

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Keywords: acid, acidity, acidity test, base, basicity, beaker, chemical, chemistry, colour, filter paper, glassware, gloved hand, halochromic chemical compound, hand, indicator, matching, measure, measurement, neutral, neutrality, paper, ph., ph. indicator, science, solution, still life, strip, test, universal indicator, water-soluble

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