Question

a substance has a ph value of 1. this value means the substance is: neutral both an acid and a base a base an acid

Explanation:

The pH scale ranges from 0 - 14. Substances with pH less than 7 are acids, pH of 7 is neutral, and pH greater than 7 are bases. Since 1 < 7, the substance is an acid.

Answer:

D. An acid