Multiple choice general knowledge Pure water has a pH level of a around what number? 7 10 0 14 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Pure water has a pH of 7, which is neutral on the pH scale (0-14). Values below 7 are acidic, above 7 are basic. pH 10 would be alkaline, 0 strongly acidic, and 14 strongly basic.