The simplest alkyne is ……….
a) ethane
b) ethene
c) ethyne
d) propane
The Molecular formula of ethyne is ………
a) C2H6
b) C2H2
c) CH4
d) C3H8
……… is a fuel used in oxyacetylene torches.
a) proyne
b) butyne
c) ethyne
d) pentyne
Oxyacetylene torches can reach temperature of over ……….
a) 1000 0C
b) 2000 0C
c) 5000 0C
d) 3000 0C
The combustion of ethyne when it is mixed with pure oxygen produces large amount of heat used for ………..
a) welding
b) boiling
c) freezing
d) all of these
The common name of ethyne is ……….
a) ethylene
b) acetylene
c) glycol
d) ethanol
