"200+ Experiments in Chemistry (ver. 2.8)" is designed for chemistry teachers to show commented experiment videos in front of classroom as well as self-learning for students. There are total of ~150 videos (+ ~55 in additional topics 10-12). Click on links to see some videos, in case of interest contact us (firstname.lastname@example.org) and we can reveal more.
6.1. Oxygen, carbon, sulfur, phosphorus, silicon
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