Across
- 2. Reaction: Combustion or burning in the sequence of exothermic reaction.
- 4. scale: Measures how acidic or basic a substance is using a scale from 0 to 14.
- 7. reaction: A chemical reaction where a a base and am acid react to form a salt.
- 9. A substance capable at reacting with an acid to form a salt or water, or of accepting neutralizing nydrogen ions.
- 11. Substance: A substance that destroys and damages other substances that come into contact with it.
- 13. A substance that takes part in and undergoes change in a reaction.
- 14. A chemical compound used to change the rate of a reaction, but is regenerated at the end of a reaction.
Down
- 1. Reaction: A chemical reaction accompanied by the absorption of heat.
- 2. Law: Certain rules that pertain to the laws of nature and chemistry.
- 3. Neutral molecules connected to the central atom.
- 5. The mixing of air into a liquid or solid
- 6. Substances that can't be dissolved.
- 8. Reaction: A chemical reaction accompanied by the evolution of heat.
- 10. of Reaction: What is made from a reaction.
- 12. of Conservation of Mass: A Law where matter can not be created or destroyed.
- 15. Indicators: An indicator that changes on going from acidic to basic solutions.
- 16. A substance with particular chemical properties including turning litmus red, neutralising alkalis, and dissolving some metals.
- 17. A substance that can be dissolved eg. Panadol Rapid in water