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In a thermite reaction, a compound of ir...

In a thermite reaction, a compound of iron reacts with a metal :
(i) Name the metal used in this reaction.
(ii) After completion of this reaction, a metal is obtained in the molten state. Identify the metal.
(iii) Represent this reaction in the form of a balanced chemical equation.
(iv) Mention the most common use of this reaction.

Text Solution

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(i) Aluminium (Al)
(ii) Iron (Fe)
(iii) `Fe_(2)O_(3) + 2Al rarr 2Fe + Al_(2)O_(3) + "Heat"`
(iv) Use : To join railway tracks or cracked machine parts.
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