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Acids, Bases and Salts — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAcids, Bases and Salts1 Mark
Question
What do you understand by the terms, acid?
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Answer

Acids are defined as compounds which contain one or more hydrogen atoms, and when dissolved in water, they produce hydronium ions $(H_3O^+)$, the only positively charged ions.

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