Dear Gayatri,

Scoring chapters for CET in chemistry are following :

* Some basic concepts of chemistry.

* Classification of elements on the basis of periodicity.

* Thermodynamics.

* Redox reaction.

* Hydrogen.

* S&p block element.

* Environmental chemistry.

These are some of the important chapter one should prepare before CET.

I hope this answer is helpful to you.

Thank you!