- Course creator: nawel benyahia
- Course creator: Kenouche Samir
- Course creator: Rachid Benakcha
This course is intended for second year undergraduate chemistry students and aims to provide students with a document to help them understand the chemical and physical separation methods used in the laboratory, for mixtures of various types, both homogeneous and heterogeneous. These methods help and aim to extract specific pure substances.
- Course creator: Ilham Chadli

The branch of chemistry that deals with the study of compounds, which does not consist of carbon-hydrogen atoms in it.
- Course creator: Kamel Djail

- Course creator: IMANE ALMI
- Course creator: Narimene Chahbaoui
- Course creator: faiza lehraki
- Course creator: Jihane Abdelli

- Course creator: faiza lehraki