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Determination of pH of various solutions using pH paper / universal indicator. - 10th Science Lab
pH is defined as the negative logarithm (base 10) of hydrogen ion concentration. If the hydrogen ion concentration is very high, the pH value is very low. This is determined using a scale ranging from 0-14 called the pH scale. It was introduced by a Danish chemist Soren Peder Lauritz Sorensen. (10th Std. SSC / Maharashtra state board syllabus)

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