What metals are extracted by electrolysis?A:Gold, platinum and silverB:Carbon, oxygen, bauxiteC:Zinc, iron, tin, copperD:Aluminium, sodium, potassium

Based on the reactivity series, which of the following metals can be extracted by the process of electrolysis?Options:CalciumCopperZincGold

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

Metals less reactive than carbon can be extracted using...A:ElectrolysisB:Displacement with a more reactive metalC:No extraction needed they are found as native metalsD:Reduction with carbon

In electrorefining of copper, which types of ions are present in the copper sulfate electrolyte?1 mark Zinc ions and gold ionsSilver ions and zinc ions Iron ions and magnesium ionsCopper ions and sulfate ions

A reactivity series for some metals is given below:potassiumstrontiumaluminiumironnickelcopperWhich of these metals would you expect to be extracted by electrolysis?[2]