Core Chemistry Revision Questions

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Presentation transcript:

Core Chemistry Revision Questions 10 questions every two weeks to aid with revision of the C1 module

C1.3.1 Extracting Metals Define an “Ore” Why are gold and silver described as “native” metals? Why do other metals require chemical reactions to be extracted? What process is used to extract metals that are less reactive than carbon? Give an example of a metal that can be extracted in this way. What process is used to extract metals that are more reactive than carbon? Why are new ways of extracting copper from low grade ores being researched? Why is scrap iron used to obtain copper from solutions of copper salts? (2 marks) Why should we recycle metals?