Across
- 2. A reaction where one element replaces another in a compound.
- 5. Gain of oxygen or loss of hydrogen in a reaction.
- 7. A reaction that releases heat energy.
- 10. A reaction where two or more substances combine to form one.
- 11. A substance that speeds up a chemical reaction without being consumed.
- 12. The spoilage of food containing fats and oils due to oxidation.
- 13. Loss of oxygen or gain of hydrogen in a reaction.
- 14. A reaction that absorbs heat energy.
- 15. Substances formed as a result of a chemical reaction.
Down
- 1. A reaction where a single substance breaks down into two or more substances.
- 3. A reaction where two compounds exchange ions to form new compounds.
- 4. The gradual destruction of metals due to reactions with air or moisture.
- 6. Substances that undergo chemical change in a reaction.
- 8. An insoluble solid that forms during a chemical reaction in a solution.
- 9. The process in which glucose reacts with oxygen to release energy in cells.