Extraction of Metals & Reduction (AQA GCSE Chemistry Combined Science): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
13 cards from this deck
Metal extraction
Metal extraction
Obtaining pure metals from ores
Ores
Ores
Naturally occurring metal compounds
Reduction in metal extraction
Reduction in metal extraction
Removing oxygen from metal oxides
Extraction for metals less reactive than carbon
Extraction for metals less reactive than carbon
Reduction by carbon
Smelting
Smelting
Heating metal oxides with carbon
Extraction for highly reactive metals
Extraction for highly reactive metals
Electrolysis
Disadvantage of electrolysis
Disadvantage of electrolysis
Energy-intensive and expensive
Most cost-effective extraction method
Most cost-effective extraction method
Carbon reduction
Example metal extracted by carbon
Example metal extracted by carbon
Iron
Example metal needing electrolysis
Example metal needing electrolysis
Aluminium
Native metals
Native metals
Unreactive metals found pure in nature
Examples of native metals
Examples of native metals
Gold and platinum
Why native metals don't form ores
Why native metals don't form ores
Too unreactive to combine with other elements