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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.

1 Answer

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(i) Aluminium (Al)

(ii) Iron (Fe)

(iii) Fe2O3 + 2Al → 2Fe,+ Al2O3 + Heat.

(iv) Use : To join railway tracks or cracked machine parts.

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