Across
- 1. process of a solid turning into a liquid
- 2. Gas produced when an acid reacts with a metal.
- 7. Made up of 2 hydrogen atoms and 1 oxygen atom.
- 9. Represented by (l) in a chemical equation.
- 11. Product made up of two or more materials with different chemical or physical properties eg. Kevlar
- 12. Type of change in a reaction eg. freezing water.
- 14. Process where a liquid turns into a gas
- 15. Product of a reaction of acid and alkali eg. NaCl.
- 17. Fuel that comes from a gas tap.
- 19. Reaction that gives out heat.
- 20. Synthetic materials made up of a chain of molecules.
Down
- 1. Product when magnesium is heated in oxygen.
- 3. The mass of reactants is always equal to mass of products
- 4. Process where an acid cancels out an alkali.
- 5. Reaction that takes in heat.
- 6. Process where a gas turns into a liquid
- 8. Process of burning.
- 10. The opposite of an acid.
- 11. Product of combustion.
- 13. Represented by (g) in a chemical equation.
- 16. Type of change in a reaction eg. frying an egg.
- 18. Represented by (s) in a chemical equation.