Students of the interesting chemistry club of school No. 290 of Bektemir district and the Tashkent Institute of Chemical Technology held a chemical night called "Mendeleev's periodic system is 154 years old". At the event, chemical poems and songs, interesting experiments were presented by students. Head of the General Chemistry Department of the Tashkent Institute of Chemical Technology, Doctor of Philosophy in Technical Sciences, Associate Professor A.A. Nabiyev and Associate Professor M.E. Akhmedov visited the event and presented books on chemical sciences from the institute for the school library. At the same time, students were given information about the activities of the institute.