Mixtures, Solutions, and Acid-Base Reactions — Test
Question 12 • Physical Science
What ion do acids release in solution?
Answer
A
ammonium
B
hydrogen
C
hydroxide
D
carbonate
Explanation
Acids release hydrogen ions (H⁺) when they dissolve in water. Therefore, the correct choice is hydrogen. Hydroxide ions are associated with bases, not acids.
AI-written and checked against the verified answer.