Which one of the following is burned in oxygen, producing a very hot flame, used for welding and cutting metals?
A. Butane
B. Methane
C. Ethylene
D. Acetylene
Answer: Option D
Related Questions on Organic Chemistry
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol

Join The Discussion