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

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Solution

The reaction is known as the 'Thermite reaction', also called the 'Goldschmidt process'. It is a highly exothermic reaction between aluminium and iron(III) oxide that produces molten iron, used for welding purposes.

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Q. Question 41(a)
Compound X and aluminium are used to join railway tracks.
(a) Identify the compound X

Compound

X

and aluminium are used to join railway tracks.

Name the reaction.

Compound

X

and aluminium are used to join railway tracks.

Identify the compound

X

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.

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Applications of Displacement Reaction

Standard X Chemistry

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

The reaction is known as the 'Thermite reaction', also called the 'Goldschmidt process'. It is a highly exothermic reaction between aluminium and iron(III) oxide that produces molten iron, used for welding purposes.

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