Why are hazard symbols printed on containers of chemicals?
To show the concentration of the solution inside
To warn users about the dangers of the contents
To show which substances the chemical reacts with
To show that the chemical inside is pure
47 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.