Взаимодействие этилена с раствором перманганата калия.Видеоопыты.Органическая химия
4 months ago 00:00:47 1
5 months ago 00:15:14 1
10 months ago 00:02:23 1
10 months ago 00:00:41 1
10 months ago 00:00:43 1
10 months ago 00:06:40 1
1 year ago 00:04:11 1
1 year ago 00:34:25 1
2 years ago 00:02:12 5
2 years ago 00:00:44 1
2 years ago 00:00:47 1
3 years ago 00:01:59 1
3 years ago 00:00:47 3
4 years ago 00:00:47 1
10 years ago 00:00:43 4
10 years ago 00:03:19 1
10 years ago 00:01:30 19
