What this topic covers
Dissolution of substances in/or reaction with water e.g. Na, NaOH, K, NH4Cl. Endothermic (+ΔH) and exothermic (-ΔH) reactions.
Study this topic in Learn
Practice opens in your JAMB UTME workspace after you sign in. Questions and lecture notes stay there.
Need official exam rules? Read the JAMB UTME guide.

