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Question: Answered & Verified by Expert
Aluminium has a great affinity for oxygen and its oxidation is an exothermic process.This fact is made use of in
Chemistryp Block Elements (Group 13 & 14)JEE Main
Options:
  • A Preparing thin foils of aluminium
  • B Making utensils
  • C Preparing duralumin alloy
  • D Thermite welding
Solution:
1245 Upvotes Verified Answer
The correct answer is: Thermite welding
Thermite Welding is based on the fact that
Aluminium has a great affinity for oxygen and its oxidation is an exothermic process.
Hence Option "4" is the correct answer.

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