What condition makes a metal-containing rock an ore?
A
Enough metal or compound for extraction to be economically worthwhile.
B
No metal or compound for extraction to be economically worthwhile.
C
A small amount of metal or compound for extraction to be economically worthwhile.
D
Any metal or compound for extraction to be economically worthwhile.
Extraction and uses of metals Flashcards
Flashcards for Edexcel IGCSE Chemistry Extraction and uses of metals, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 24 cards, matched to the Edexcel IGCSE Chemistry (4CH1) specification.