Question

compound X and aluminium are used to join railway tracks.
(a)Identify compound X
(b)Name the reaction.

Answer 1

fe2o3

fe2o3 +2 al = al2o3 + 2fe

Answer 2

) X is Fe2O3, i.e. iron (III) oxide.
(ii) The reaction involved is thermite reaction or aluminothermy.
(iii)