How is aluminium used to join railway track?explain the process with c

1.	How is aluminium used to join railway track?explain the process with chemical equation.
Answer» Thanks nancy Aluminium Powder is used for the thermite reaction as it reacts with Iron(II) Oxide to give molten Fe. The following reaction takes place:Fe2O3 + 2Al = Al2O3 + 2Fe (Thermite welding)This reactions is used to apply the molten Fe which then solidifies and joins the railway tracks.

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