Across
- 3. addition of oxygen to a substance in a chemical reaction
- 4. and acrylic are examples
- 5. new subtances formed in a chemical reaction
- 6. substances we start with before a chemical reaction
- 8. synthetic material useful for making windows
- 9. dioxide/a gas which turns lime water milky
- 10. gas which burns with a squeaky pop when ignited with a lighted splint
- 11. carbonate/limestone contains this substance
Down
- 1. reactive gas that makes up about 21% of the air
- 2. chemical reaction that occurs between a fuel and oxygen in the air
- 3. formed in reactions with oxygen
- 7. reaction that gives out heat