Q. 455.0( 3 Votes )
Explain how, a reduc
A reduction reaction of aluminium can be used for welding cracked machine parts of iron, A mixture of Iron (III) oxide and aluminium powder is ignited with a burning magnesium ribbon. Aluminium reduces iron oxide to produce iron metal with the evolution of lot of heat. Due to this heat, iron metal is produced in the molten state. This molten iron is poured between broken iron parts of the machine to weld them (to join them).
The chemical equation for the reaction involved is
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