Q
Dow metal contains____________________?
-
A
A. 94% aluminium, 4% copper and 0.5% mn, mg, si and fe
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B
B. 92.5% aluminium and, 4% copper, 2% nickel and 1.5% mg
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C
C. 90% aluminium and 90% copper
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D
D. 90% magnesium and 9% aluminium with some copper
Correct Answer:
D. D. 90% magnesium and 9% aluminium with some copper
