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Extraction of Copper

The diagram s...

Question

The diagram shows an electrolytic cell used in the extraction of aluminium:

What is the substance of which the electrodes A and B are made?

A

Graphite

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B

Silicon

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C

Copper

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D

Platinum

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E

Silver

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Solution

The correct option is A
Graphite

The metal is always deposited at the cathode

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The diagram shows the sketch of an electrolytic cell used in the extraction of aluminium. What is the substance of which the electrodes A and B are made?

Q. The following is a sketch of an electrolytic cell used in the extraction of aluminium:
Figure

(a) What is the substance of which the electrodes A and B are made?
(b) At which electrode (A or B) is the aluminium formed?
(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be continuously replaced?

The diagram shows the sketch of an electrolytic cell used in the extraction of aluminium. At which electrode (A or B) is the aluminium formed?

The diagram shows the sketch of an electrolytic cell used in the extraction of aluminium. What are the two aluminium compounds present in the electrolyte C?

The diagram given below shows an electrolytic cell used in the extraction of aluminium:\

Why is it necessary for electrode B to be continuously replaced?

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