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.

In a thermite reaction, a compound of iron reacts with a metal : (i)

1.	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.
Answer» Solution :(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.