In an experiment, a gaseous sample of an organic compound, J, with a volume of $10\,\text{cm}^3$ is burned in excess oxygen. The only products formed are steam, $20\,\text{cm}^3$ of carbon dioxide and $5\,\text{cm}^3$ of nitrogen. Every gas volume was taken at the same temperature and pressure. What could J be?
- A1, 2 and 3 are correct
- B1 and 2 only are correct
- C2 and 3 only are correct
- D1 only is correct