2.5 crossword 1

1234567891011121314
Across
  1. 4. Formed at the end if a chemical reaction
  2. 8. When Hydrochloric acid and Sodium ________ react a precipitate forms
  3. 9. A solid formed when two solutions react
  4. 11. For a reaction to occur two particles must _________
  5. 12. This increases the kinetic energy of particles
  6. 13. In this type of reaction the temperature increases
  7. 14. Seen when gas is produced in a reaction
Down
  1. 1. The minimum energy for a reaction to occur
  2. 2. Used to measure the change of colour or light intensity
  3. 3. Used to measure the production of gas
  4. 5. When solids are turned into a ________ they react more quickly
  5. 6. This speeds up reactions without being used up
  6. 7. Prevents gas escaping
  7. 10. A measure of how many particles are present in a volume