Nuclear Chemistry Test Online MCQs

1. The compound used in enrichment of uranium for nuclear power plant is:

2. ₁₃A1²⁷ + ₂He⁴→ ₁₄Si³⁰ + ₁H¹ + Q Mass of ₁₃A1²⁷ = 26.9815 amu and mass of ₁₄Si³⁰ = 29.9738. The Q is equal to:

3. A radioactive substance does not emit:

4. Energy released in the nuclear fusion reaction is ₁H² + ₁H³ → ₂He⁴ + ₀n¹ Atomic mass of ₁H²= 2.014, ₁H³ = 3.016   ₂He⁴ = 4.003, ₀n¹ = 1.009 amu.

5. ₉₂²³⁸U emits 8 α-particles and 6 β-particles. The neutron/proton ratio in the product nucleus is:

6. α-particles can be detected using:

7. X-Rays are emitted during

8. Decay constant of a radioactive substance is 69.3 sec⁻¹, find t_1/16 of the same substance.

9. ₆C¹² and ₁T³ are formed in nature due to the nuclear reaction of neutron with

10. The energy equivalent of 2.0 mg mass defect is

11. Which of the following radioisotopes is used as anticancerous?

12. Bi²¹⁰ has a half-life of 5 days. The time taken, for 7/8 of a sample to decay, is: