Spec 1CH0
Revise Edexcel GCSE Chemistry 5.1.3 Extracting metals from ores by reduction with the question bank, lessons, revision guides, and flashcards.
Recall that: • a most metals are extracted from ores found in the Earth’s crust • b unreactive metals are found in the Earth’s crust as the uncombined elements • Explain oxidation as the gain of oxygen and reduction as the loss of oxygen • Recall that the extraction of metals involves reduction of ores • Explain why the method used to extract a metal from its ore is related to its position in the reactivity series and the cost of the extraction process, illustrated by • a heating with carbon (including iron) • b electrolysis (including aluminium) • (knowledge of the blast furnace is not required)
