QUESTIONS AD
CORRECT ANSWER
GRADED A+ 2025-2026
What is pH? - ANS-pH is the numeric scale used to specify the acidity or alkalinity of an
aqueous solution.
What does a pH sample measure? - ANS-The concentration of hydrogen ions.
What is the numerical range of the pH scale? - ANS-0-14
Are there more or less hydrogen ions at a higher pH level? - ANS-At higher pH there
are fewer free hydrogen ions.
What pH is considered to be neutral? - ANS-7
Substances with pH less than 7 are acidic, while substances with pH greater than 7 are
basic.
What ion is pH a measure of? - ANS-Hydrogen
What state of matter does pH deal with? - ANS-Hydrogen
What's the pH of most natural waters? - ANS-Between 6.5 and 8.5