Which of the following processes is used to purify copper?

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Question: Which of the following processes is used to purify copper?

Options:

Correct Answer: Electrolysis

Solution:

Electrolysis is used to purify copper by separating it from impurities in the solution.

Which of the following processes is used to purify copper?

Which of the following processes is used to purify copper?

Step 1: Start with impure copper, which contains other metals and impurities.
Step 2: Dissolve the impure copper in a solution, usually containing copper sulfate.
Step 3: Set up an electrolysis apparatus with two electrodes: an anode (positive) and a cathode (negative).
Step 4: Place the impure copper as the anode and a pure copper strip as the cathode in the solution.
Step 5: Pass an electric current through the solution.
Step 6: The electric current causes copper ions to move from the anode to the cathode.
Step 7: As copper ions reach the cathode, they gain electrons and deposit as pure copper.
Step 8: Impurities either remain in the solution or fall off the anode, thus separating them from the pure copper.

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