Question

pitch blend is an ore of

Answer 1

Pitchblende is an ore of uranium-235.

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Answer 2

Uraninite, formerly pitchblende, is a radioactive, uranium-rich mineral and ore with a chemical composition that is largely UO2, but due to oxidation the mineral typically contains variable proportions of U3O8. Additionally, due toradioactive decay, the ore also contains oxides of lead and trace amounts of helium. It may also contain thorium, andrare earth elements