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

True

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False

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Solution

The correct option is A
True

Iron is being displaced by aluminium. Thus, Al is more reactive than iron. Any metal more reactive than Iron can be used. Since calcium is above iron in the reactivity series, it can be used.

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Similar questions

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

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. Assertion :In thermite welding, aluminium powder and

F e_{2} O_{3}

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

Q. Aluminium is used in thermite welding because:

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Fe2O3 + Al → Fe + Al2O3 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 is being displaced by aluminium. Thus, Al is more reactive than iron. Any metal more reactive than Iron can be used. Since calcium is above iron in the reactivity series, it can be used.

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

The correct option is A
True

Iron is being displaced by aluminium. Thus, Al is more reactive than iron. Any metal more reactive than Iron can be used. Since calcium is above iron in the reactivity series, it can be used.