Across
- 2. substance that absorbs moisture without dissolving
- 6. reaction that absorbs heat from the surroundings
- 8. solid left behind on filter paper
- 10. closeness of a reading to the true value
- 12. reaction that releases heat to the surroundings
- 14. crystalline solid that loses water of crystallisation
- 15. cloudy appearance of a mixture
- 18. information noted using the senses during an experiment
- 19. insoluble solid formed when solutions are mixed
Down
- 1. liquid that passes through filter paper
- 3. CHANGE visible sign of a chemical reaction
- 4. closeness of repeated readings to each other
- 5. conclusion drawn from an observation
- 7. description of a solution with no visible colour
- 9. bubbling or fizzing seen when a gas is released
- 11. format used to record readings neatly
- 13. solid that absorbs water from air and dissolves
- 16. EVOLVED bubbles given off during a reaction
- 17. indicator paper used to test acidity or alkalinity
- 20. sharply strong smell, as of ammonia