Which of the following substance is not an acid?
Substance A is tested and found to have a pH of 3
Substance B, a common food, tastes sour.
Substance C causes metals to corrode.
Substance D feels slippery in solution

Respuesta :

Substance B, a common food, tastes sour.
D. I took chem 20 last semester and we learned that bases taste bitter and feel slippery, while acids on the other hand are sour.