acids are generally sour, bases are generally bitter
not sure if thats the characteristic you're looking for
Vinegar- aka acetic acid (H C2H3O2)
Sulfuric acid (H2 SO4)
carbonic acid (H2 CO3)
acid in tomatoes and oranges is generally citric acid
(H3 C6H5O7)
Toothpaste is probably sodium fluoride Na F
borax aka sodium borate is Na2 B4O7
olive oil is a bit hard to search for, and oven cleaner is a bit too vague
