A) 90% Cu
B) 75% Ni
C) 80% Sn
D) 80% CO
Correct Answer: A
Solution :
Aluminium on mixing with 90% Cu appears as gold. It is known as Rolled Gold. It is a mixture of\[90%\text{ }Cu\text{ +}10%\text{ }Al\].You need to login to perform this action.
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