Methane, Butane and Propane
Source: This question is taken from the Everyday Science
Reflex activities
Amylases
Air pressure
340 meters per second
0.03 to 0.04% CO2
Hydrogen, Helium
60% Nitrogen, 40%inert gases
Chlorine
21% Oxygen approximately
Methane,Butane & Propane
The scattering of sunlight by air molecules
Calcium oxalate
Herd
Cu + Ni
1055 joules