🎴 Flashcard Mode
Precipitation Reactions in Seawater
Card1 / 15
Mastered0
Review0
QuestionClick to flip
Which of the following reactions is a precipitation reaction?
AnswerClick to flip back
A
CaCO3(s) + 2HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)
💡 Explanation:
A precipitation reaction is a chemical reaction in which a solid precipitate forms. In this case, calcium carbonate (CaCO3) precipitates out of solution when hydrochloric acid (HCl) is added.