14. environmental chemistry cet

13. HYDROCARBONS

12. basic principles in organic chemistry

11. p block- Ist puc

10. s block elements

9. hydrogen

8. redox reactions

7.B ionic equilibrium

7. A chemical equilibrium

6. THERMODYNAMICS

5. states of matter

4. chemical bonding

3. classification & PERIODICITY

2. structure of atom

1. basic concepts of chem