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Acids and bases

Video Quiz

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.
2º E.S.O. quimica ciencias Recommended age: 13 years old
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