Question : pH scale ranges from
Option 1: 0 - 7
Option 2: 8 - 14
Option 3: 0 - 14
Option 4: None
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Correct Answer: 0 - 14
Solution : The correct option is 0-14.
The pH scale, which ranges from 0 to 14, classifies substances based on their acidity or alkalinity. A pH of 0 indicates highly acidic, 7 is considered neutral, and values greater than 7 indicate basic or alkaline properties.
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