Hydrochloric acid
HCl
Nitric acid
HNO₃
Potassium hydroxide
KOH
Ammonia
NH₃
Sodium hydroxide
NaOH
Calcium hydroxide
Ca₂OH₂
Sulfuric acid
H₂SO₄
Ammonium
NH₄
What is an acid?
An acid is a substance that dissolves and dissociates
in water to produce hydrogen (H+) ions and the corresponding negative ions.