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Dow metal contains | |
A. | 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe [Wrong Answer] |
B. | 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg [Wrong Answer] |
C. | J 0% aluminium and 90% copper [Wrong Answer] |
D. | 90% magnesium and 9% aluminium with some copper [Correct Answer] |
E. | 90% magnesium and 10% tin. [Wrong Answer] |