Hello Rohini ,

AIIMS Bsc nursing exam is not an easy one to crack. It requires a lot of hard work. Chemistry plays an important role to crack the exam. The important topic of physical chemistry are Thermodynamics , Electrochemistry , Solid States and Chemical Kinetics.

To know about the important topic of organic amd inorganic chemistry refer this :

https://medicine.careers360.com/articles/chemistry-important-chapters-for-aiims-bsc-nursing-entrance-exam

Good wishes !