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
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.