Which of the following chemical reactions represents an acid-base reaction?
HBr + KOH -> KBr + H2O
ZnCl2 + MgSO4 -> ZnSO4 + MgCl2
H2SO4 + CaCl2 -> CaSO4 + HCl
NH4OH + KCl -> KOH + NH4Cl


Answer :

Answer:

HBr + KOH -> KBr + H₂O

Explanation:

Acid-base reactions always produce a salt [KBr] and water [H₂O].