Acids and bases
In nature there are different types of substances, some are ACID, other BASIC and other NEUTRAL. To determine the type of a particular substance, we use pH indicators. These indicators change colour according to the type of
substance with which they come into contact, thus establishing a scale of acidity and basicity.
substance with which they come into contact, thus establishing a scale of acidity and basicity.
Âge recommandé: 13 ans
Créé par
EDELMIRA RIERO ROMERO
Spain
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