Across
- 4. A reaction where ethanol burns to produce heat, carbon dioxide, and water. (10 letters)
- 5. The alcohol used in drinks and as fuel. (7 letters)
- 7. A liquid that is formed when two hydrogen atoms combine with one oxygen atom. (9 letters)
Down
- 1. A gas released when ethanol reacts with sodium. (8 letters)
- 2. A gas that is produced when ethanol burns. It is bad for the environment. (13 letters)
- 3. The process where ethanol reacts with oxygen to form other substances. (7 letters)
- 6. A substance that speeds up a chemical reaction. (8 letters)