Solution:

Duralumin Composition: AL, Mg, Cu, Mn

Use – construction of car, Aeroplane, Railways Coaches, ship.

Aluminium Brass – cu, AL uses for casting coins and medals

Alnico:– fe, A1, Ni, Co

Uses – for making permanent Magnets

SEE ALSO  State three differences between the magnetic properties of steel and soft iron. - NABTEB QUESTION

Copyright warnings! Do not copy.