Across
- 4. Gas evolved in the reaction between zinc and dilute sulphuric acid.
- 5. Example of a chemical reaction involving iron.
- 6. The transformation of chemical substances into other chemical substances.
- 9. What happens to atoms in a chemical reaction.
Down
- 1. The process of breaking down food.
- 2. New substances produced in a chemical reaction.
- 3. Characteristic of the reaction between zinc and dilute sulphuric acid.
- 6. The setting of milk into curd.
- 7. Substances which take part in a chemical reaction.
- 8. The process of inhaling and exhaling; also a chemical reaction.