Question

Brass alloys contain that

a. 30% zn, 70% cu b. 40% zn, 60% cu

c. 30% cu, 70% zn d. 50% zn, 50% cu

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Answer 1

Answer:

brass actually contains 66%  copper and 34%  zinc

but since there is no option for that the estimated value can be 30%  zinc and 70%  copper

option A

we have taken estimated value of zinc as 30 because it is closer to 34 and copper value as 70 because it is closer to 66

hope that helps

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