reaction of a compound 'X' with aluminium is used for joining railway tracks or cracked machine parts.
(a) identify the compound 'X' .
(b) name the reaction.
(c) write a balanced chemical equation for the reaction.

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Solution

1. Compound X is iron oxide - Fe₂O₃.
2. The reaction is - thermite reaction.
3. The balanced chemical reaction is:
Fe₂O₃ + 2 Al â†’ 2 Fe + Al₂O₃

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Q. The reaction of iron oxide with aluminium is used to join railway tracks or cracked machine parts. This is because:

Statement 1: The reaction of iron(III) oxide ${F e}_{2} O_{3}$ with aluminium is used to join railway tracks or cracked machine parts.
Statement 2: Some of the displacement reactions are highly exothermic reactions.

Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron,
write a chemical equation for the reaction involved.

Q. Question 41(b)
Compound X and aluminium are used to join railway tracks. Name the reaction

Q. For joining railway tracks, ferric oxide is reacted with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is

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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reaction of a compound 'X' with aluminium is used for joining railway tracks or cracked machine parts.(a) identify the compound 'X' .(b) name the reaction.(c) write a balanced chemical equation for the reaction.

1. Compound X is iron oxide - Fe2O3.2. The reaction is - thermite reaction.3. The balanced chemical reaction is:Fe2O3 + 2 Al â†’ 2 Fe + Al2O3

reaction of a compound 'X' with aluminium is used for joining railway tracks or cracked machine parts.
(a) identify the compound 'X' .
(b) name the reaction.
(c) write a balanced chemical equation for the reaction.

1. Compound X is iron oxide - Fe₂O₃.
2. The reaction is - thermite reaction.
3. The balanced chemical reaction is:
Fe₂O₃ + 2 Al â†’ 2 Fe + Al₂O₃