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Ronan Asked :

30-05-2021 Selective Leaching

Q. What is the percent of zinc that consists of common yellow brass?

A. 70%
B. 30%
C. 40%
D. 60%

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Dapzoi Verified
Commented on 2021-05-30 14:12:06 (IST)
Answer: B

Explanation: The composition of common yellow brass is approximately 30% zinc and 70% copper. Dezincification alloy assumes a red or copper color that contracts to the original yellow color.