Litmus Test, pH Comparison

Litmus Test, pH Comparison

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Caption: Litmus changes its colour depending on the pH of the solution. Here, litmus paper strips were placed in test tubes with different solutions to compare their pH. At left, litmus in vinegar turned red indicating an acidic solution. At right, litmus in a baking soda solution turned blue indicating it's alkaline.

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Keywords: acetic acid, acid, acidic, acidity, alkali, alkaline, alkalinity, baking soda, base, basic, basicity, chemical, chemistry, comparing, comparison, demo, demonstration, dip, educational, experiment, indicator, indicator strip, litmus, litmus test, measure, measurement, paper strip, ph, ph indicator, sodium bicarbonate, still life, test, test strip, test tube, testing, universal ph indicator, vinegar, water

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