Domestic cooking gas consists of mostly?
A. Methane and ethane
B. Liquefied butane and iso-butane
C. Ethylene and carbon monoxide
D. Hydrogen and acetylene
Answer:B
Domestic cooking gas consists of mostly?
A. Methane and ethane B. Liquefied butane and iso-butane C. Ethylene and carbon monoxide D. Hydrogen and acetylene