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5.1.3 Extracting metals from ores by reduction

Card 1 of 25

Why can gold and platinum occur as uncombined elements?

A

Electrolysis.

B

Carbon comes from coke, and fuel supplies the heat.

C

They are unreactive, so they resist combining with oxygen.

D

At the negative electrode.

Card 1 of 25

5.1.3 Extracting metals from ores by reduction Flashcards

  1. GCSE
  2. /Chemistry
  3. /5.1.3 Extracting metals from ores by reduction

25 flashcards on Edexcel GCSE Chemistry 5.1.3 Extracting metals from ores by reduction: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.

Flashcards