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Katen [24]
3 years ago
7

If I a reaction occurs when a piece of metal is placed in a solution what can you conclude about the solution

Chemistry
1 answer:
Nataliya [291]3 years ago
4 0

That it is a chemical solution. because it reacted it is not physical.

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Metallic elements which can be recovered from ores that are oxides, carbonates, halides, or sulfides are iron, zinc, silver and lead respectively.

Ores which is deposited in earth's crust which contain minerals and metals. Metals can be obtained economically and sold commercially.

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As we get to know that it is easy to obtain metals from their oxides. So, firstly ores which is found in the form of carbonates and sulphide are converted into their oxides by using the process of calcination and roasting.

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