SOF National Science Olympiad (NSO/ISO)
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NSO Level 1
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2024
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Sample
What is the pH range of acidic solutions?
Explanation
Explanation
The pH scale ranges from 0 to 14. Solutions with pH less than 7 are acidic, pH exactly 7 is neutral, and pH greater than 7 is basic (alkaline).
PRO TIP
Re-check your working by substituting the answer back into the original question.
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