Duralumin is an alloy of __________.
Cobalt and Copper
Cobalt and Aluminium
Aluminium and Copper
Aluminium and Gold
Duralumin (also called duraluminum, duralum, duraluminium, duralium or duralis) is mainly used to describe aluminium-copper alloys.
Match the alloys of column I with their constituents of column II
Out of aluminium, copper calcium and tin, the most reactive metal is : (a) aluminium (b) copper (c) tin (d) calcium