Acids
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Questions and Answers

Which of the following is a characteristic of a base?

  • Turns red litmus paper blue (correct)
  • Reacts with metals to produce hydrogen gas
  • Tastes sour
  • Has a pH less than 7

    • What is the pH value of a strong acid?

  • pH 5
  • pH 7
  • pH 9
  • pH 1 (correct)

    • What happens to the pH of a neutral solution when more acid is added?

  • pH remains the same
  • pH becomes negative
  • pH decreases (correct)
  • pH increases

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