Across
- 2. set of rules for writing a word equation
- 5. solutions that do not change the colour of indicators
- 6. the starting substance in a chemical reaction
- 10. a product of neutralisation
- 11. destroy or damage from chemical reaction
- 12. when an acid and alkali are mixed together and cancel each other out
- 14. a substance that is formed from a chemical reaction
- 15. the value that determines how acidic or alkaline a substance is
- 17. something that can minor harm
- 18. these substances catch fire easily
- 20. poisonous and can cause death
Down
- 1. used to describe chemical reactions
- 3. changes colour with different pH of substances
- 4. more dangerous than a pure substance
- 7. low number on the pH scale
- 8. less dangerous than corrosive or toxic, may cause irritation
- 9. watered down to make it less dangerous
- 13. heating may cause explosive
- 16. something that can cause harm
- 19. high number on the pH scale