General science · Difficulty 2
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which term matches this description: a substance that donates hydrogen ions in water and has a pH below 7?
- acid
- inertia
- mitosis
- ecosystem
Reveal answer and explanation
acid
acid is a substance that donates hydrogen ions in water and has a ph below 7. Lemon juice turns blue litmus paper red.