Question

what reaction occur in join crack railways track?​

Answer 1

Answer:

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Explanation:

Thermite reaction takes place in the presence of heat ( thermal condition) which helps in forming fused metals (metals in molten form) . This fused metals helps in join railway tracks or joining other broken metals . aluminium powder as a reducing agent is called a thermite reaction.

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Answer 2

Answer:

Thermite reaction is used. The reaction of iron oxide with aluminium to produce iron is used to join railway tracks.