Across
- 5. Fuel + oxygen --> _____________ + water.
- 7. Potassium + water --> potassium ___________ + hydrogen.
- 9. Something that speeds up a chemical reaction.
- 10. A chemical reaction that takes in energy.
- 11. A chemical reaction that gives off energy.
Down
- 1. Magnesium + hydrochloric acid --> magnesium ________ + hydrogen
- 2. iron + oxygen --> iron ________.
- 3. The gas made when a metal reacts with an acid.
- 4. The noise made when you test for hydrogen.
- 6. The scientific word for burning.
- 8. The type of reaction where a more reactive metal steals from another due to its reactivity.
- 12. What happens to limewater when you pump carbon dioxide through it.