Chemistry, asked by Aravindan123blast, 1 year ago

Draw a schematic diagram of the various steps involved in the extraction of metals from ores for metals of medium reactivity and for metals of low reactivity?

Answer it with diagram, if not better don't answer.

Answers

Answered by Madhuratramajya
16

here it is . I gave you examples too

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Answered by pankhurykochar123
2

Answer:

Explanation:

Here is a schematic diagram of the various steps involved in the extraction of metals from ores for metals of medium reactivity (e.g. iron) and for metals of low reactivity (e.g. copper):

For metals of medium reactivity (e.g. iron):

1) Crushing and grinding of the ore to obtain a fine powder

2) Concentration of the ore by separating the impurities from the metal compound through physical and chemical processes

3) Conversion of the metal oxide to the metal by reduction with a reducing agent such as carbon, which removes the oxygen from the metal oxide and leaves the pure metal

4) Purification of the metal by removing any remaining impurities

For metals of low reactivity (e.g. copper):

1) Crushing and grinding of the ore to obtain a fine powder

2) Concentration of the ore by froth flotation, which uses water and chemicals to separate the metal compound from the impurities

3) Conversion of the metal compound to the metal by reduction with a reducing agent such as hydrogen or carbon monoxide, which removes the oxygen from the metal compound and leaves the pure metal

4) Purification of the metal by electrolysis, which uses an electric current to remove any remaining impurities and produce a pure metal.

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