Correct the following statements by changing the underlined part of the sentence :
Aluminium `ul("can be")` extracted by the electrolysis of an aqueous solution of an aluminium salt.

Explanation

To correct the statement, we need to focus on the extraction method of aluminum. The original statement is:

"Aluminium can be extracted by the electrolysis of an aqueous solution of an aluminium salt."

Step 1: Identify the error in the statement.
- The statement incorrectly suggests that aluminum can be extracted from an aqueous solution.

Step 2: Understand the correct method of extraction.
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