Edexcel IGCSE Chemistry: Inorganic Chemistry - Extraction and Uses of Metals

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Flashcards covering key concepts related to the extraction and uses of metals in IGCSE chemistry.

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What are most metals extracted from?

Most metals are extracted from ores found in the Earth's crust.

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Why is gold found as the uncombined element in nature?

Gold is very unreactive, which is why it can be found as the metal itself.

3
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What determines the method of extraction of a metal?

The method of extraction is related to the metal's position in the reactivity series.

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How is iron extracted using carbon?

Iron is extracted by reduction of iron oxide with carbon in a blast furnace.

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What is the chemical reaction for extracting iron using carbon?

2Fe2O3(s) + 3C(s) -> 4Fe(l) + 3CO2(g)