Essential Chemistry for IGCSE - Metal Extraction (Section 4 - No. 20)
Which of the following best describes the process of 'smelting'?
Heating an ore to its melting point to extract a metal.
Dissolving a metal in acid to remove impurities.
Separating metals from alloys by using magnetism.
Adding oxygen to a metal to remove carbon.
Explanation
Smelting involves heating an ore to extract the metal.
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