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qid 4605 · chemistry

Question: Cobalt-60 is used in the radiation therapy of cancer and can be produced by bombardment of cobalt-59 with which of the following?

  1. Gamma rays
  2. Neutrons
  3. Ultraviolet light
  4. Beta particles
  5. Infrared radiation
  6. Protons
  7. Electrons
  8. X-rays
  9. Positrons
  10. Alpha particles

Our answer: B. Neutrons Source quote machine-checked (strict)

A machine check confirms the quoted words appear at the source. A person has not yet reviewed these. EARN MARKS as a Human Reviewer

How it was answered

Multi-step solver (maze), replayed by code

card: maze · card sha256 98dda878730bd9a6…

Current source

Wikipedia, "Cobalt-60", Production section

https://en.wikipedia.org/wiki/Cobalt-60

Source quote machine-checked (strict)

retrieved 2026-09-17T23:56:27.724Z

page text sha256 eac4346801835014… · content sha256 1af6eb8d72b34ee5…

addendum maze_qid4605_b4_maze_input_ADDENDUM_source_rs20260917T235627Z · sha256 9cd1bbf6b182b981… · replaces the version below, addendum sha256 cdb63ab710e1babe…

Earlier version (superseded)

https://en.wikipedia.org/wiki/Cobalt-60

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T23:23:21.280Z

page text sha256 f4708e41f20cc1a2… · content sha256

addendum maze_qid4605_b4_maze_input_ADDENDUM_source_bf20260917T232321Z · sha256 cdb63ab710e1babe… · replaces the version below, addendum sha256 6b154fee4be37087…

Earlier version (superseded)

No public source has been found for this card yet (3 places checked internally).

addendum maze_qid4605_b4_maze_input_ADDENDUM_source · sha256 6b154fee4be37087…

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