Compound $X$ and aluminium are used to join railway tracks.

Identify the compound $X$ :

F e O

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F e_{2} O_{3}

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F e_{3} O_{4}

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All of these

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Solution

The correct option is B $F e_{2} O_{3}$
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 $(I I)$ oxide to give molten $F e$ .

Hence the correct option is B.

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X

In the production of iron, intermediate are $F e O$ , $F e_{2} O_{3}$ , and $F e_{3} O_{4}$ , which are oxide . If true enter 1 else 0.

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