Across
- 1. vessel used for high temp. chemical reactions.
- 4. change directly from solid to gas.
- 5. jar with conical body and cylindrical neck.
- 8. reaction reaction with absorption of heat.
- 10. reaction - separation of a substance.
- 11. reaction product of one is a reactant in the next.
- 13. point temperature where solid turns liquid.
- 14. purify by boiling and condensing.
Down
- 2. burner gas burner used in laboratories.
- 3. point temp. when a liquid boils at sea level.
- 5. point temperature where liquid turns solid.
- 6. reaction one molecule is added to another.
- 7. reaction reaction with release of heat.
- 9. reaction with oxygen to give heat and light.
- 12. flat-bottomed jar made of glass.