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Extraction of Aluminium

The reducing ...

Question

The reducing agent used in thermite process is ___________.
1. Carbon
2. Aluminium
3. Iron
4. Sodium

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Solution

Thermite process is very useful for the welding of broken metal parts. When Aluminum powder reacts with iron oxide or chromium oxide, a large amount of heat is released and about a temperature of $3500^{0} C$ is attained which is enough to weld broken metallic parts.

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