Question

in this paragraph what is meant by thermic reaction actually ,does it mean the reaction which are highly exothermic or specifically the reaction between iron and Aluminium.....which one is called thermic reaction???​

Answer 1

Good morning..

In this paragraph the thermite reaction is specifically the reaction between iron and aluminium...

The thermite process is a chemical reaction in which a metal oxide (preferrably molten) are displaced by another molten metal which is more reactive than the metal in the metal oxide, releasing a lot of heat. Example -

2Al + Fe2O3 → Al2O3 + 2Fe

This reaction is used commercially to weld broken metallic parts(due to the molten metal and high temperature at which the reaction occurs). railway lines are joined in the same manner.

Answer 2

The reaction of Iron oxide with Aluminium is called Thermit reaction .The products are Aluminium oxide Iron and liberation of heat.

Used for joining railways tracks.