2016 · Q26
Match List I with List II and select the correct answer using the code given below the Lists:
List I (Isotope):
- ACarbon,
- BCobalt,
- CIodine,
- DUranium.
List II (Application):
- 1Treatment of goitre,
- 2Calculation of age of the earth,
- 3Treatment of cancer,
- 4Fuel in nuclear reactors.
general-sciencechemistry
- AA-2, B-3, C-1, D-4
- BA-2, B-1, C-3, D-4
- CA-4, B-1, C-3, D-2
- DA-4, B-3, C-1, D-2
Explanation
Carbon-14 dating is used for the age of the earth and archaeological materials (A-2). Cobalt-60 is used in radiotherapy for cancer (B-3). Iodine-131 is used in treating goitre and thyroid disorders (C-1). Uranium is the fuel in nuclear reactors (D-4). The code A-2, B-3, C-1, D-4 matches option (A).