CAIE IGCSE Chemistry: Neutralisation H⁺ + OH⁻ → H₂O Question Bank

Practise recognising acid-alkali neutralisation, writing its ionic equation and linking temperature rise to an exothermic reaction.

Exam points

write the ionic equation H+(aq) + OH-(aq) -> H2O(l) for acid-alkali neutralisation
identify neutralisation from acid reacting with alkali to form salt and water
link a temperature rise during acid-alkali mixing to an exothermic neutralisation

[Maximum number: 1]

Solid sodium hydroxide is a base which dissolves to form an aqueous solution, NaOH(aq).

Ethanoic acid, $\mathrm{CH}_{3} \mathrm{COOH}$ , is a weak acid.

Write the ionic equation for the reaction when an acid neutralises a soluble base.

$\mathrm{H}^{+}+\mathrm{OH}^{-} \rightarrow \mathrm{H}_{2} \mathrm{O}$

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