A rock that contains enough metal in it for it to be economically viable to extract the metal is called an ……………..A:awB:orC:rockD:ore

An ore is a Blank 1 Question 8 that contains enough metal which can be economically extracted.

The process by which any metal is extracted from its ore is AreductionBelectrolysisCdisplacementDdecomposition

If a ton of rock contains a low amount of metal it has a low ……………………. of the metal.A:concentrationB:worthC:amountD:viability

Rocks rich in metals are known asA:AllotropesB:OresC:MetalloidsD:Slag

Which pair of metals can be extracted from their ores using carbon?A:Iron and aluminiumB:Magnesium and potassiumC:Iron and copperD:Copper and sodium