Question

write the name of two possible impurities
that are removed in the roasting​

Answer 1

Answer:

• Oxidation roasting is often used in sulfide ore smelting. It is used to remove the sulfur ore, arsenic, antimony, and other harmful impurities in ore. In oxidation roasting, the sulfide ore is first decomposed into low-valence sulfide and sulfur, and then the oxide is formed.

Explanation:

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Answer 2

arsenic and sulphur impurities .

Roasting is a chemical process in which an ore is heated in the presence of air below it's melting point. Two possible impurities that are removed by roasting are arsenic and sulphur impurities.They are converted into their oxides which evaporate quickly in under heat.

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