1.

A is a silvery white metal. A combines with O_(2) to form B at 800^(@)C, the alloy of A is used in making the aircraft. Find A and B.

Answer»

SOLUTION :(i) Silver white metal (A) is Aluminium
(ii) (A) combines with `O_(2)` to FORM aluminium oxide at `800^(@)`C
`4Al + 3O_(2) overset(800^(@)C)to 2Al_(2)O_(3)`
(iii) Duralumin is the ALLOY of Al, which is used to make aircraft


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