Question

Name all of the household chemicals that you found to be acidic.

Answer 1

Vinegar, lemon juice, citrus, tomato

Answer 2

Vinegar – weak acetic acid.
Lemon juice – citric acid and some ascorbic acid.
Any citrus fruit – citric acid and some ascorbic acid.
Most other fruits – citric acid, possibly tartaric, oxalic, or malic acid.
Carbonated soda – phosphoric, carbonic, and sometimes citric acid.
Battery acid – sulfuric acid.