lab safety and symbols

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