GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
10. | The half-life of N2O5 at 0 oC is 24 minutes. How long will it take for sample of N2O5 to decay to 25% of its original concentration? | |
A. | 24 minutes | |
B. | 72 minutes | |
C. | 120 minutes | |
D. | 48 minutes | |