Answer:
• An acid is an electrolyte that hydrolyses in water to release hydrogen ions.
[tex]{ \rm{HA _{(aq)} \: \: {}^{ \dashrightarrow} _{ \dashleftarrow} \: \: H {}^{ + } _{(aq)} +A {}^{ - } _{(aq)}}} \\ [/tex]
• pH level of an acid;
- Strong acid → 0 - 3.8
- Weak Acid → 4.0 - 6.7
