Question

copper metal is purified by which of the following method​

Answer 1

Copper metal is s purified by electrolytic refining....

As

The metal which can be purified by electrolytic method is copper. On passing electric current ,the metal dissolves from the impure anode and goes into electrolyte solution. The metal present in dissolved form in electrolyte get deposited on the cathode in the pure form

Answer 2

Copper metal is purified by electrolysis method​

Explanation:

• Electrolysis, process by which electric current is passed through a substance to effect a chemical change.
• The procedure is supported out in an electrolytic cell, a device containing of positive and negative electrodes held separately and dipped into a solution comprising positively and negatively charged ions.
• Electrolysis is used in industry for the production of many metals and non-metals (e.g., aluminium, magnesium, chlorine, and fluorine).
• Electrolysis is commonly employed for coating one metal with another.
• The method of coating one metal with another using an electric current is called electroplating.

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