Which of these alloys contains copper?
-
A.
solder -
B.
steel -
C.
permallory -
D.
bronze
Correct Answer: Option D
Explanation
Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon.
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