General Principles and Processes of Isolation of Elements - Result Question 4
####4. Identify the alloy containing a non-metal as a constituent in it.
[2012]
(a) Invar
(b) Steel
(c) Bell metal
(d) Bronze
Topic 2: Metallurgical Processes
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Solution:
- (b) Invar is a nickel iron alloy, Bell metal is an alloy of about $80 %$ copper and $20 %$ tin, Bronze is also an alloy of copper and tin.
Steel : It always have few $%$ of carbon.
