Question

Question 41(c)
Compound X and aluminium are used to join railway tracks. Write down its reaction.

Answer 1

Compound is iron oxide. The reaction involved is:

${\text{Fe}}_2{\text{O}}_3\text{(s)}+2\text{Al(s)}\to 2\text{Fe(l)}+{\text{Al}}_2{\text{O}}_3\text{(s)}+\text{Heat}$