In the reaction between calcium carbonate and hydrochloric acid, calcium carbonate is a solid, hydrochloric acid is a solution, and carbon dioxide is a gas.
Draw one straight line from each substance to its correct state symbol.
| Substance | State symbol | |
|---|---|---|
| Calcium carbonate solid | (aq) | |
| Hydrochloric acid solution | (g) | |
| Carbon dioxide gas | (s) |
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.