Nuclear Fission,Nuclear Fusion,Applications of Radio Isotopes
 Nuclear chemistry,Radioactivity,Group displacement law,Half life period (t1/2),Significance of half life period.
Slow reactions requires high activation energy as compared to fast reactions. Do you agree with the statement?
Why does zinc dust react faster with dilute HCl than zinc granules?  and  Explain why H2 and O2 do not combine with each other at room temperature.
What is the difference between thermodynamic stability and the kinetic stability?