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FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

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According to the Arrhenius definition of an acid, an acid is:
  1. Anything capable of reducing pH in solution.
  2. Anything capable of producing hydrogen ions.
  3. Anything capable of donating electrons.
  4. A substance that tastes sour.
  5. None of the above
Explanation
Answer: B - According to the Arrhenius definition of an acid, an acid is anything that is capable of producing hydrogen ions. On the other hand, the Lewis definition of an acid is a substance that is capable of accepting electrons.
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