2 Periodic table and periodicity
3 Atomic Structure
4 chemical bonding
5 Gaseous state
6 Chemical equilibrium's
7 Theemodynamics
8 Hydrogen and its compound
9 Thermochemistry
10 S block
11 Ionic Equilibrium
12 Carbon and Boron Family
13 Redox reaction
14 P block Nitrogen ,oxygen ,halogen
15 Solid state
16 Liquid Solution
17 d and f block element
18 Coordination Compound
19 Chemical Kinetics
20 Electrochemistry
21 Metallurgy
22 Surface Chemistry