Cruzadinha

Palavras horizontais

1. A gas with the chemical formula CO2. A product of combustion (14)
3. An element with the chemical symbol O (6)
5. chemical compounds that contain the elements carbon and hydrogen only (12)
7. Saturated hydrocarbon with the general formula CnH2n+2 e.g. Methane (CH4) (6)

Palavras verticais

2. a compound containing carbon and hydrogen. Has the chemical formula CH4 (7)
4. the name given to reactions where a fuel combines with oxygen. (10)
6. A compound with the chemical formula H20. A product of combustion (5)