Single Answer MCQ
Q-00019095
What is the primary reason that pure water has a pH of 7?
1
Equal concentration of H+ and OH- ions
2
No ions present
3
Only H2O molecules exist
4
Production of neutral salts
Answer and Solution
Answer
A. Equal concentration of H+ and OH- ions
Solution:
In pure water, the concentrations of H+ ions and OH- ions are equal, resulting in a neutral pH of 7.
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