+7 (727)
344 95 95
Please email us
English
Русский
Қазақша
Subscribe
Profile
Subscription
Balance
Watch history
My library
Notifications
My contests
Поурочные планы
Logout
Русский
Қазақша
Online Mektep
Authorization
Home
Subjects
Contests
Subscribe
Chemistry course
Main
Courses on International standards
Chemistry course
Laboratory techniques and Spectrometry
Most viewed lessons
Mass Spectrometry (1)
Mass Spectrometry (2)
Infra-Red Spectroscopy (1)
Absorption of Visible Light. Colorimetry
Разделы
10
lessons
Laboratory tehniques
7
lessons
Spectroscopy
Reviews