Question: The major components in "Gun Metal" are :
$\mathrm{Cu}, \mathrm{Zn}$ and $\mathrm{Ni}$
$\mathrm{Cu}, \mathrm{Sn}$ and $\mathrm{Zn}$
$\mathrm{Al}, \mathrm{Cu}, \mathrm{Mg}$ and $\mathrm{Mn}$
$\mathrm{Cu}, \mathrm{Ni}$ and $\mathrm{Fe}$
Correct Option: , 2
Solution:
The major components in "Gun Metal" are
$\mathrm{Cu}: 87 \%$
$\mathrm{Zn}: 3 \%$
Sn : $10 \%$
