Class 9 Chemistry MCQs (Grade 9) From Textbook

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Class 9 Chemistry MCQs – Certification Test 226

Isotopes MCQs (Question 226) – App & eBook Download

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MCQ: 226

Iodine-123 is used to

  1. diagnose thyroid problem
  2. image the brain
  3. kill cancer cells
  4. trace the blood flow

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9th Grade Chemistry MCQs App (Android & iOS)

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