Q. Strontium 90 is a------- (Solved)
1. Radioactive isotope of strontium
2. A substance dispensed from aerosol
3. An insecticide
4. None of the above
- a. Radioactive isotope of strontium
1. Radioactive isotope of strontium
2. A substance dispensed from aerosol
3. An insecticide
4. None of the above