Explain thermite process
anshika102:
reduction of metal oxides with aluminium powder in which a huge amount of heat is liberated is called termite process.
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the process in which large amount of heat energy is released
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Thermite process is very useful for the welding of broken metal parts. When Aluminum powder reacts with iron oxide or chromium oxide, a large amount of heat is released and about a temperature of 3500oC is attained which is enough to weld broken metallic parts.
2Al + Fe2O3  Al2O3 + 2Fe
2Al + Cr2O3  Al2O3 + 2Cr
2Al + Fe2O3  Al2O3 + 2Fe
2Al + Cr2O3  Al2O3 + 2Cr
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