Chemistry
State the property of the metal utilized in Aluminium in Thermite welding.
Metallurgy
23 Likes
Answer
Aluminium is a strong reducing agent and has a strong affinity for oxygen. It reduces Fe2O3, to Fe which fills the gap. Hence it is used for thermite (Fe2O3) welding.
Answered By
14 Likes
Related Questions
Correct the following statement — Haematite is the chief ore of aluminium.
The sketch illustrates refining of aluminium by Hoope's process. [reference]
(i) Which of A and B is the cathode and which one is the anode?
(ii) What is the electrolyte in the tank?
(iii) What material is used for the cathode?
State the main constituent metal in each alloy :
(i) Duralumin
(ii) Brass
(iii) Stainless steel
Select the correct property which is not true for metals:
- Metals are good conductors of electricity
- Metals are malleable and ductile
- Non-polar covalent compounds are formed from metals
- Metals have 1, 2 or 3 valence electrons.