Friday, 29 January 2021

3 POINTS ON PH






 1. The concentration of hydrogen ions in a solution is known as its PH. This value gives as indication of the acidity or alkalinity of a substance.

2. The PH value can be determined by the use of indicators, such as universal indicator paper, which contain compounds that change colour over a certain PH range.

3.A PH value may fall anywhere on a scale from 0 to 14, with a value of 7 representing neutrality 

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Location: Chennai, Tamil Nadu, India

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