What is the ‘pH’ value of pure water at 25°C?
A14
B7
C0
D1
Explanation
• The pH scale measures the acidity or alkalinity of a substance.
• A pH of 7 represents a neutral substance, meaning it is neither acidic nor alkaline.
• Distilled water is the standard example of a neutral solution.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

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