Key Concept: Neutralisation is the reaction of an acid with an alkali to form a salt and water.
Section A: Equations
1. Write the word equation for neutralisation. [1]
2. Write the ionic equation for neutralisation. [2]
3. Write balanced symbol equations for: (a) HCl + NaOH, (b) H2SO4 + KOH. [3]
Section B: Products and Observations
4. Name the salt formed when nitric acid reacts with calcium hydroxide. [2]
5. What happens to the pH as you add alkali to an acid? [1]
Total marks: 9
Mark Scheme
1. Acid + alkali -> salt + water [1]
2. H+ + OH- -> H2O [2]
3. (a) HCl + NaOH -> NaCl + H2O; (b) H2SO4 + 2KOH -> K2SO4 + 2H2O [3]
4. Calcium nitrate [2]
5. pH increases towards 7 [1]