Question

1. Name the method that can be used to remove impurities present in an ore.​

Answer 1

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Leaching

Leaching is a chemical process of concentration of ore. Here the ore dissolves in a chemical solution. The minerals will react and dissolve leaving behind the impurities only which filter out.

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Answer 2

Answer:

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Explanation:

Sol: Gold and silver ores are concentrated by leaching. In this method, we treat the ore with a suitable reagent in which ore is soluble but impurities do not. Thus, impurities are removed by filtration.