${F e}_{2} O_{3}$ + $A l$ $\to$ $F e$ + ${A l}_{2} O_{3}$ + $h e a t$
This is the reaction used in thermite welding process. Calcium can also be used instead of aluminium in this process.

True

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False

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Solution

The correct option is A
True

Iron gets displaced by aluminium because aluminium is more reactive than iron. Any metal more reactive than iron can be used. Since calcium is more reactive than iron, it can be used in place of aluminium.

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Similar questions

${F e}_{2} O_{3}$ + $A l$ $\to$ $F e$ + ${A l}_{2} O_{3}$
This is the reaction used in thermite welding process. Calcium can also be used instead of aluminium in this process.

Iron oxides $F e_{2} O_{3}$ can be reduced by $A l$ in the Goldschmidt thermite process.

Aluminium is used in thermite welding:

(a) What is thermit?

(b) What is ignition mixture?

Q. Which of the following reactants are used to carry out the thermite reaction required for welding the broken railway tracks?
(a) Al₂O₃ + Fe
(b) MnO₂ + Al
(c) Fe₂O₃ + Al
(d) Cu₂O + Fe

Q. Assertion :In thermite welding, aluminium powder and

F e_{2} O_{3}

are used. Reason: Aluminium powder is a strong reducing agent.

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Fe2O3 + Al → Fe + Al2O3 + heat This is the reaction used in thermite welding process. Calcium can also be used instead of aluminium in this process.

The correct option is A True Iron gets displaced by aluminium because aluminium is more reactive than iron. Any metal more reactive than iron can be used. Since calcium is more reactive than iron, it can be used in place of aluminium.

${F e}_{2} O_{3}$ + $A l$ $\to$ $F e$ + ${A l}_{2} O_{3}$ + $h e a t$
This is the reaction used in thermite welding process. Calcium can also be used instead of aluminium in this process.

The correct option is A
True

Iron gets displaced by aluminium because aluminium is more reactive than iron. Any metal more reactive than iron can be used. Since calcium is more reactive than iron, it can be used in place of aluminium.