extraction of metals
- Created by: Shiv Patel
- Created on: 04-04-13 17:26
Other questions in this quiz
2. why does the anode have to be replaced regularly?
- it breaks down because co2 is formed at the anode
- the anode loses its resistance
- the anode breaks after 69 days
3. why is titanium not extracted with carbon?
- insert believeable alternative here
- titanium would form strong bonds with the carbon to form titanium carbide
- titanium is more reactive than carbon so reduction cannot be used
4. What is iron ore called?
- haematite
- rutile
- bauxite
5. what is limestone used for in the blast furnace?
- to react with the coke
- to remove acidic impurities
- calcium carbonate
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