Which of the following is a combustion reaction?
a 2H2O 2H2 + O2
b 2AgNO3 + H2S yields Ag2S + 2NHO3
c CH4 + 2O2 yields CO2 + 2H2O
d 2Al + N2 yields 2AlN
a 2H2O 2H2 + O2
b 2AgNO3 + H2S yields Ag2S + 2NHO3
c CH4 + 2O2 yields CO2 + 2H2O
d 2Al + N2 yields 2AlN