explain thermite reaction . Give example mention its uses

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Solution

The process of igniting Aluminium and Ferric oxide is called thermite reaction. This is an exothermic reaction. Iron obtained in this process is in molten state.

Fe₂O₃ (s) + Al (s) →Al₂O₃ + 2 Fe(l) + Heat

Thermite reaction used for the welding of rails (joining metals) called as thermite welding.

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