Answer :

Final answer:

The impurity in Technetium-99, specifically in the form of Molybdenum-99, is a result of incomplete separation during the extraction process.

Explanation:

The impurity in Technetium-99, specifically in the form of Molybdenum-99, is a result of incomplete separation during the extraction process. During the chemical extraction of Tc-99, some traces of Mo-99 can remain in the final product. These impurities need to be minimized as much as possible, as Mo-99 interferes with the accurate identification of Tc-99 in medical tests.

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