pH Level
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Brewster
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CHEMISTRY
Acid-Base Chemistry
pH Level
The mysterious 'p' in pH hides a century-old scientific debate over its true meaning
35 hours ago
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Why does a change of one unit on the pH scale represent a tenfold change in acidity or basicity?
Because pH is a logarithmic scale based on hydrogen ion concentration
Because pH measures the temperature of the solution
Because pH values are assigned arbitrarily without a mathematical basis
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Feefo
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CHEMISTRY
Acid-Base Chemistry
pH Level
The pH scale measures acidity with a mysterious 'p' whose meaning is still debated
5 Feb 2026
0
Why is the pH scale logarithmic rather than linear?
Because pH measures temperature changes in solutions.
Because pH values are arbitrary numbers without chemical significance.
Because each pH unit represents a tenfold change in hydrogen ion concentration.
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