How does acid relate to pH? Chemistry Acids and Bases pH 1 Answer Michaela Jul 27, 2017 Any number less than seven on the pH scale is considered an acid. Explanation: The pH scale ranges from 0 to 14 with 7 being neutral, less than 7 being acidic, and greater than 7 being basic. For more info, check out this video about the pH scale from Khan Academy! Answer link Related questions How do you determine pH from pKa? How do pH values of acids and bases differ? How do you calculate something on a pH scale? How do you calculate pH diprotic acid? How do you calculate pH from acid dissociation constant? How do you calculate pH of acid and base solution? Why is the pH scale 0-14? Is pH a measure of the hydrogen ion concentration? How does solubility affect pH? How does pH relate to pKa in a titration? See all questions in pH Impact of this question 2781 views around the world You can reuse this answer Creative Commons License