Question

compound X and Aluminium are used to join railway tracks (a)identify the compound X
(b) name the reaction
(c) write down its reaction​

Answer 1

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

Aluminium powder is used for the thermite reaction as it reacts with iron (II) oxide to give molten Fe.

Hence the correct option is B.

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Answer 2

Hii

Here is your answer -

compound x and aluminum are used to join tracks

a) identify the compound x

Ans :-

The X compound is Fe2O3 (iron (iii) oxide).

 

b) reaction involved

Ans :-

Thermite reaction

It takes place In the presence of HEAT.

It is a highly exothermic reaction

c) Reaction is

Ans :-

Fe2O3 (s) + 2Al(s) = Al2O3(s) + 2Fe (l) + heat.

Ferric oxide + aluminium = Aluminium oxide + Iron + heat