Single Choice

Aluminum has a great affinity for oxygen and its oxidation is an exothermic process. This fact is made use of in

Apreparing thin foils of aluminium
Bmaking utensils
Creparing duralumin alloy
Dthermite welding
Correct Answer

Solution

Thermite Welding is based on the fact that Aluminium has a great affinity for oxygen and its oxidation is an exothermic process.
Hence Option "D" is the correct answer.

SIMILAR QUESTIONS

Metals and Non - metals

In metallurgical process, aluminium acts as:

Metals and Non - metals

Which of the following metals cannot be obtained by reduction of its metal oxide by aluminium?

Metals and Non - metals

Which of the following metals is obtained by electrolytic reduction process?

Metals and Non - metals

During extraction of aluminium from bauxite:

Metals and Non - metals

Answer the following: (a) Aluminium is a more active metal than iron, but suffers less corrosion. Why? (b) Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.

Metals and Non - metals

Why the food containing iron salts should not be cooked in aluminium utensils?

Metals and Non - metals

State on what special properties the use of each of these metals depends: (a) aluminium (b) zinc

Metals and Non - metals

How can a layer off aluminium oxide on an aluminium object be made thicker? What is this process called?

Metals and Non - metals

Aluminium reacts with caustic soda to form :

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