Question

which of the following metals is extracted only by electrolysis.
a)Zn
b)Al
c)Fe
d)Cu​

Answer 1

Answer:

b) Al

Explanation:

The method used to extract metals from the ore in which they are found depends on their reactivity.

For example, reactive metals such as aluminium are extracted by electrolysis, while a less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide.

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Answer 2

Answer:

cu

Explanation:

sodium, potassium and copper extracted only by electrolysis