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  • Acids, Bases and Salts Online Quiz
  • which pH number is the most acidic?
Multiple choice

which pH number is the most acidic?

  1. 5

  2. 1

  3. 7

  4. 9

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pH scale ranges from 0 to 14. Values lower than 7 are acidic, with lower numbers indicating higher acidity (higher concentration of hydronium ions).

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