Aluminium bronze contains__________________?
(A) 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
(B) 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg
(C) 10% aluminium and 90% copper
(D) 90% magnesium and 9% aluminium with some copper
(E) 10% aluminium and 90% tin
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