ChemOriginal by Mandal sir

In this page you will get amazing chemistry video, tricks for various competitive examination.

21/05/2026

Hydroboration-Oxidation ll NEET ll CBSE ll PGT ll JEE

11/01/2026

10/02/2024

Coordination compounds

22/01/2024

All pgt chemistry

15/01/2024

15/01/2024

Jeemain previous year question

14/01/2024

Jeemain previous year questions

08/01/2024

Alcohol, phenol questions

08/01/2024

Esterification reaction

31/12/2023

Happy new year 2024

30/12/2023

Ionic bond and factor affecting ionic bond ll Mandal sir chemistry

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