Across
- 2. What plant has an acidic sting?
- 3. What is the pH of a neutral solution?
- 7. Which hazard sign is put on chemicals that can burn your skin?
- 8. What salt is made when you add hydrochloric acid to sodium hydroxide?
- 11. How do weak acids in food taste?
- 12. What is the pH of a very strong acid?
- 15. The name of the chemical reaction between an acid and an alkali
- 18. What type of substances have a pH between 1 and 6?
Down
- 1. What chemical can you use to test acids and alkalis?
- 3. What must you wear during experiments to protect your eyes?
- 4. Is lemon juice an acid or an alkali?
- 5. What is the name of an acid that you can put on your chips?
- 6. What colour does universal indicator turn in a strong alkali?
- 9. What colour does universal indicator turn in hydrochloric acid?
- 10. What colour does universal indicator turn in a neutral solution?
- 13. What two things are made during a neutralisation reaction?
- 14. What is the pH of a strong alkali?
- 16. An alkali that you use to clean your teeth.
- 17. Which hazard warning sign is put on chemicals that can make your skin itch?
- 19. How do weak alkalis around the house feel?