Across
- 3. may explode if exposed to fire, heat, shock, friction
- 4. may cause skin burns and permanent eye damage
- 5. do not remove any apparatus or chemicals out of the laboratory _ your teacher’s permission
- 10. gas released may be very cold and container may explode if heated
- 12. _ if exposed to ignition sources, sparks, heat and some substances with this symbol may give off _ gases in contact with water
- 14. toxic material which may cause life threatening effects even in small amounts and with short exposure
Down
- 1. can burn even without air, or can intensify fire in combustible materials
- 2. report any breakage of apparatus to your _
- 6. toxic to aquatic organisms and may cause long lasting effects in the environment
- 7. may cause serious and prolonged health effects on short or long term exposure
- 8. always wear safety _ when heating chemicals
- 9. always keep your work bench tidy and your apparatus _
- 11. _ all chemicals and apparatus to their proper places after use
- 13. also known as irritant