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Question
Identify the alloy containing a non-metal as a constituent in it.
Options
invar
steel
bell metal
bronze
MCQ
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Solution
steel
Explanation:
Steel is an alloy of iron and carbon. Here, carbon is a non-metal, which makes steel the correct answer. Other alloys, like invar (iron + nickel), bell metal (copper + tin), and bronze (copper + tin), contain only metals.
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