Why can highly reactive metals, such as sodium and aluminium, NOT be extracted from their compounds by heating with carbon?

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Chemistry · Metallurgy

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

They have a strong affinity for oxygen, making carbon unable to reduce them.

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Answer 1

Their oxides are highly unstable and decompose before reduction.

Answer 2

They have a strong affinity for oxygen, making carbon unable to reduce them.

Answer 3

Their extraction using carbon is too expensive compared to electrolysis.

Answer 4

Carbon reacts with their oxides to form volatile compounds.

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