a
zinc and gold
b
lead and maganese
c
nickle and silver
d
manganese and magnesium
Explanation
Correct Option
dNo explanation available
Video Explanation
No video available
Post your Contribution
Share:
Discussions (4)
iguele
9 years ago
Here is an explanation:
In addition to aluminium, the main materials constituting duralumin are copper, manganese and magnesium. Composition of Duralumin are as follows:-
Aluminium-95%
Copper-4%
Magnesium-0.5%
Manganese-0.5%
REF: https://en.wikipedia.org/wiki/Duralumin

