A student makes three statements about hazard symbols on chemical containers.
Statement 1: a substance with the corrosive symbol destroys living tissue on contact, so it must also carry the toxic symbol
Statement 2: a substance with the oxidising symbol can make other materials burn more fiercely, even if it does not burn itself
Statement 3: a dilute solution of a substance can carry a different hazard symbol from a concentrated solution of the same substance
Which statements are correct?
1 and 2 only
2 only
2 and 3 only
1, 2 and 3
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.