The sodium hydroxide solution used in this titration is corrosive to the eyes and can cause severe skin burns.
Using this information, state one safety precaution that must be taken during the experiment to minimise risk when handling this corrosive substance.
230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.