Topics 3,4,5 - Acids, Metals & Fuels: Reduction Of Metal Ores Flashcards
1
Q
How is iron extracted from its ore? Why is this method used?
A
Iron is less reactive than carbon, so it can be reduced from its ore by heating with carbon. This method is used as it is less expensive than electrolysis.
2
Q
How is aluminium extracted from its ore? Why is this method used?
A
Aluminium is more reactive than carbon, so it has to be extracted using electrolysis. This is where the ore is broken down using electricity.
3
Q
Give a disadvantage of using electrolysis to extract metals.
A
It’s an expensive process.
