Conversion of ferric oxide to iron metal using aluminium is called as:

enrichment process

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hematite reduction

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thermite reaction

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none of above

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Solution

The correct option is C thermite reaction
Ferric oxide, when heated with aluminium, it is reduced to iron metal. In this reaction, a lot of heat is produced. This reaction is also known as a thermite reaction. A thermite reaction is used in the welding electric conductors, iron joints, etc. such as joints in railway tracks.
$F e_{2} O_{3} + 2 A l \to 2 F e + A l_{2} O_{3} + h e a t$
Hence, option $C$ is correct.

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Similar questions

Q. Give equations for the following conversions:
(i) Ferric oxide to iron
(ii) Aluminium hydroxide to aluminium oxide
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(iv) Aluminium to sodium aluminate

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F e_{2} O_{3 (x)} F e r r i c o x i d e + 2 A l_{(x)} A l u m i n i u m \to A l_{2} O_{3 (x)} A l u m i n i u m o x i d e + 2 F e_{(x)} I r o n

Which of the following substances is oxidized in the given reaction?

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Ferric oxide reacts with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is :

$F e_{2} O_{3}$ + $2 A l$ $\to$ $A l_{2} O_{3}$ + $2 F e$

Which of the following substances is oxidized in the given reaction?

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