Category: Everyday Science | Last updated: 2026-09-18
Which pH value indicates a strong acid?
A) 12
B) 7
C) 2
D) 9
Explanation
The pH scale ranges from 0 to 14. A pH of 7 is neutral, values below 7 are acidic, and values above 7 are basic (alkaline). A pH of 2 indicates a strong acid, as it is far below 7.