ph
Mot
Contexte : « physics »
(noun) a unit of measurement for acidity or alkalinity. It's like a scale to show how acidic or basic a substance is.
Exemple
The pH level of lemon juice is around 2, making it very acidic.
Exemple
The pH level of baking soda is around 9, making it slightly basic.
Exemple
What is the pH level of vinegar?
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