Methane gas (CH4), on complete combustion in air, produces: Chemistry Chapter 7 Methane gas (CH4), on complete combustion in air, produces: 1. CO2 2. H2 3. H2O A) 1 and 2 only B) 1 and 3 only C) 2 and 3 only D) All of 1 and 2 only E) None Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+