The percentage composition of copper in white brass and red brass is __________ and _______ respectively.(a) 40%, 55%(b) 55%, 40%(c) 10%, 85%(d) 85%, 10%This question was addressed to me in an online quiz.Asked question is from Non-Ferrous Metals and Alloys in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

The percentage composition of copper in white brass and red brass is _

1.	The percentage composition of copper in white brass and red brass is __________ and _______ respectively.(a) 40%, 55%(b) 55%, 40%(c) 10%, 85%(d) 85%, 10%This question was addressed to me in an online quiz.Asked question is from Non-Ferrous Metals and Alloys in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials
Answer» Right choice is (c) 10%, 85% The explanation is: The percentage composition of copper in WHITE brass and red brass is RESPECTIVELY 10% and 85% respectively. Red brass contains 15% zinc with 85% copper while white brass contains 90% zinc and 10% copper.

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