C11_CH-8_General Organic Chemistry _T&D_E

C11_CH-9_Hydrocarbons_T&D_E

C11_CH-1_Some Basic Concepts of chemistry_ T&D_E

C11_CH-2_Stucture of Atom_ T&D_E

C11_CH-3_Classification of Elements and Periodic in Properties_ T&D_E

C11_CH-7_P-Block Elements_T&D_E

C12_CH-4_D and F Block Elements_ T&D_E

C12_CH-5_Co-Ordination Compounds_T&D_E