When a mixture of iron oxide and aluminum powder, known as thermite, is heated, intense heat is generated. This fact is made use of in:

soldering

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welding steel

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making iron

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cutting of metals

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Solution

The correct option is A welding steel
The heat released through Thermite process is used for welding steel. It happens as shown below.
${F e}_{2} O_{3} + 2 A l \to {A l}_{2} O_{3} + 2 F e$

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Similar questions

{F e}_{2} O_{3}

Aluminium is used in thermite welding:

(a) What is thermit?

(b) What is ignition mixture?

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