Question

A compound X and aluminum are used to join railway tracks. Identify the compound X. Name the reaction involved 2 marks question

Answer 1

the compound "x" is iron oxide

FE203 + 2AL = AL2O3 + FE+ HEAT

THE HEAT EVOLVED IS USED FOR JOINING THE RAILWAY TRACKS.

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Answer 2

The compound X is ferrous oxide.
This reaction is known as thermit reaction.
Fe2O3+2Al = 2Fe + Al2O3+ Heat