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source https://searchengineland.com/s-p-l-sorensen-google-doodle-doubles-as-a-quiz-on-ph-levels-of-food-soap-batteries-299244
Tuesday 29 May 2018
S.P.L. Sørensen Google doodle doubles as a quiz for pH levels of food, soap & batteries
The Danish chemist is known for the pH scale he invented to measure acidity and alkalinity levels.
Please visit Search Engine Land for the full article.
source https://searchengineland.com/s-p-l-sorensen-google-doodle-doubles-as-a-quiz-on-ph-levels-of-food-soap-batteries-299244
Please visit Search Engine Land for the full article.
source https://searchengineland.com/s-p-l-sorensen-google-doodle-doubles-as-a-quiz-on-ph-levels-of-food-soap-batteries-299244
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