Question: The alloy used in the construction of aircrafts is :-
$\mathrm{Mg}-\mathrm{Sn}$
$\mathrm{Mg}-\mathrm{Mn}$
$\mathrm{Mg}-\mathrm{Al}$
$\mathrm{Mg}-\mathrm{Zn}$
Correct Option: , 3
Solution:
$\mathrm{Mg}-\mathrm{Al}$ alloy is used for construction of aircrafts.
