Which of the following is a characteristic of acids?

JAMB Chemistry 2023 55 views

Which of the following is a characteristic of acids?

  1. Bitter taste
  2. Turn litmus paper blue
  3. React with metals to produce hydrogen gas ✓
  4. pH value above 7

Explanation

Acids react with metals like zinc or magnesium. This produces hydrogen gas and a salt. You can hear fizzing during the reaction.

Bitter taste and blue litmus are base properties. pH above 7 is basic. Acids have pH below 7.

Remember: Acids taste sour, turn blue litmus red, and have pH below 7.

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