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 Form 4 Chemistry online lessons on acids, bases and salts

Definition of Acids

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Answer Text:
Definition of Acids
- Are substances whose molecules yield hydrogen ions in water; or
- Are substances, which contain replaceable hydrogen, which can be wholly or partially replaced by a metal.
- acid is a substance that dissociate in water to give hydrogen ions as a positive ions.
#HCl(aq) to H^(+) (aq) +Cl^(-) (aq)#
OR: - Acids are proton donors i.e. a substance which provides protons or hydrogen ions.


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