извержение-2022
разложение дихромата (бихромата) аммония на занятии объединения “Занимательная химия“
4 months ago 00:30:48 2
6 months ago 00:52:45 1
7 months ago 00:20:57 1
7 months ago 00:47:26 1
7 months ago 05:11:16 1
7 months ago 00:30:24 1
8 months ago 00:43:30 1
8 months ago 00:20:27 1
9 months ago 00:10:40 2
9 months ago 00:00:36 1
10 months ago 00:12:06 1
11 months ago 00:06:20 1
11 months ago 00:02:10 3
11 months ago 00:53:36 1
11 months ago 00:13:39 1
11 months ago 00:51:36 1
11 months ago 00:04:03 1
11 months ago 00:13:25 1
11 months ago 00:10:54 1
11 months ago 00:20:25 1
11 months ago 00:50:21 1
12 months ago 00:44:10 3
12 months ago 00:03:02 2
12 months ago 00:03:10 1
