The reducing agent used in thermite process is ___________.1. Carb

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Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements

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150

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

(a)

Correct answer: (a)

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

350 0^{0} C

is attained which is enough to weld broken metallic parts.

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