Question

in thermite welding, what are the role of Barium peroxide and magnesium ribbon?

Answer 1

Answer:

Thermite reaction involves reduction of the metal oxide by metal. ... Usually this reaction is triggered by burning magnesium ribbon in presence of Barium peroxide. Thermite reaction is also used in pyrometallurgy of chromium and manganese. In this method, aluminium reduces chromium oxide to chromium.

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