By knowing the pH value of a liquid we can find the:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → acidity of the liquid
The pH of a liquid is a measure of the concentration of hydrogen ions in it, that is, of how acidic or basic it is. On the scale from 0 to 14, a pH of 7 is neutral (pure water), below 7 is acidic and above 7 is basic; the lower the pH, the stronger the acid.