Q. Match the following
Set I Set II
A 1 Methane
B 2 Ethylene
C 3 Benzene
D 4 Acetylene
5 Ethane

The correct match is

 1270  220 Punjab PMETPunjab PMET 2008 Report Error

Solution:

Set I Set II
A 2 Ethylene
B 4 Acetylene
C 5 Ethane
D 1 Methane