Q. The pH of a solution having H⁺ concentration 10⁻³ M is:
✅ Correct Answer: (C)
3
Explanation: pH = -log[H⁺] = -log(10⁻³) = 3.
Explanation by: Jyoti
pH = -log[H⁺] = -log(10⁻³) = 3.