Identify the alloy containing a non-metal as a constituent in it.
Invar
Steel
Bell metal
Bronze
Inuar:Fe+Ni
Steel:Fe+C
Bell metal:Cu+Sn
Bronze:Cu+Sn
In steel, carbon is a non metal
Option 1)
Invar
This solution is incorrect
Option 2)
Steel
This solution is correct
Option 3)
Bell metal
This solution is incorrect
Option 4)
Bronze
This solution is incorrect