Answer :
The correct answer to the question is option A. HBr + NaOH –> NaBr + H₂O
Acid–base reaction is other wise known as neutralization reaction. This is a reaction in which an acid reacts with a base to produce salt and water only.
Considering the options given in the question above, only option A fits into the discription of an acid base reaction as the product contains salt (NaBr) and water (H₂O) only.
Thus, option A is the right answer to the question.
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