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The percentage composition of copper and zinc in yellow brass is ___________

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The percentage composition of copper and zinc in yellow brass is ___________

(a) 35% and 65%

(b) 65% and 35%

(c) 20% and 80%

(d) 80% and 20%

I have been asked this question in an internship interview.

Enquiry is from Non-Ferrous Metals and Alloys topic in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

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Right choice is (b) 65% and 35%

The best I can explain: The percentage composition of copper and zinc in yellow brass is 65% and 35% respectively. The specific gravity of yellow brass is 8.47 and it is used for lamp fixtures, plumbing, etc.

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