Multiple choice

Which of the following is true for acids?

  1. Bitter and change red litmus to blue

  2. Sour and change red litmus to blue

  3. Sour and change blue litmus to red

  4. Bitter and change blue litmus to red

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

Acids are characterized by a sour taste and their ability to turn blue litmus paper red. Bases are bitter and turn red litmus paper blue.