August 2019 NY regents chemistry exam
48 Which equation represents a neutralization reaction?
(1) 6HClO → 4HCl + 2HClO3
(2) CH4 +2O2 →CO2 + 2H2O
(3) Ca(OH)2 + H2SO4 → CaSO4 + 2H2O
(4) Ba(OH)2 + Cu(NO3)2 → Ba(NO3)2 + Cu(OH)2
Solution: A neutralization reaction occurs when an acid reacts with a base to produce salt and water. The list of common acids can be found in Table K of the Reference Table while Table L lists common bases.
Answer: 3
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