Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
NaOH(aq) + HCl(aq) -> NaCl(aq) + H2O(l)
NaOH(s) + HCl(aq) -> NaCl(aq) + H2O(l)
NaOH(aq) + HCl(s) -> NaCl(aq) + H2O(l)
NaOH(s) + HCl(s) -> NaCl(aq) + H2O(l)
Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.