Acetylene is a fuel gas for gas cutting & welding composed of-
A. 7.7 of carbon & 92.3 % of hydrogen
B. 92,3% carbon & 7.7 % hydrogen
C. 100% carbon
D. 50% carbon & 50% hydrogen
Answer:B
Acetylene is a fuel gas for gas cutting & welding composed of-
A. 7.7 of carbon & 92.3 % of hydrogen B. 92,3% carbon & 7.7 % hydrogen C. 100% carbon D. 50% carbon & 50% hydrogen