Testing solution for pH

Testing solution for pH

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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 an unknown solution for pH. The strip colour (green) is compared to the colour matching chart indicating pH value of about 9 (alkaline solution).

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Keywords: alkaline, alkalinity, basicity, beaker, chart, chemical, chemistry, colour, glassware, gloved hand, hand, indicator, matching, measure, measurement, paper, ph, ph indicator, solution, still life, strip, test, universal indicator

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