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JAMB Chemistry 2005 Question 34

Question 34

Radioactivity

I. Treatment of cancer
II. Detection of leakages in water mains
III. Detection of the ages of ancient tools
IV. Preparation of drugs
Which combination of the above refers to the uses of radioactive isotopes?

  1. A.II and III
  2. B.I and II
  3. C.I, II and III
  4. D.I, II, III and IV
Show the answer and explanation

Answer: C (I, II and III)

Explanation

Radioisotopes are used in radiotherapy for cancer, as tracers to find leaks, and in carbon dating of old objects; they are not used to prepare drugs.