| A | B |
|---|
| acetic acid | a strong-smelling acid found in vinegar |
| ascorbic acid | an acid that occurs in citrus fruits, tomatoes and green vegetables |
| citric acid | a weak acid found in citrus fruits |
| formic acid | an acid that occurs naturally as the poison of ants and stinging nettles |
| hydrochloric acid | a strong acid found in the stomach (in a weaker form) |
| lactic acid | an acid found in sour milk and used as a preservative |
| nitric acid | a strong acid used in fertilizers, rocket fuels and explosives |
| sulfuric acid | a strong acid used in car batteries |
