The pH scale measures the acidity or alkalinity of a substance, ranging from 0 to 14, with values below 7 representing acidity, above 7 representing alkalinity, and 7 representing neutrality.
The Google Doodle continues its tradition of honouring obscure but important figures from history, today celebrating Danish chemist S.P.L. Sorensen. You may not have heard of Søren Peder Lauritz ...
The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...
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