Across
- 2. Carbon dioxide gas turns lime water ______ .
- 5. What is kerosene used as fuel in?
- 6. Fractional ____________ is used to separate crude oil.
- 7. This gas burns with a pop.
- 9. The products of complete combustion are carbon dioxide + ?
Down
- 1. A set of substances that contain carbon and hydrogen.
- 2. The 3 types of fossil fuel are oil, gas and ?
- 3. Hydrocarbons with similar boiling points are called ?
- 4. What fraction is used to tar roads and waterproof roofs?
- 8. This gas re-lights a glowing splint.