Chemistry truly can be beautiful. The meeting of two or more chemical compounds can result in explosions that look like magic tricks, dancing liquids, and swirls of brilliant colors. Look at some of the most lovely examples of chemical reactions committed to film.
https://gizmodo.com/chemical-reactions-shot-in-ultra-hd-look-fantastic-and-1642891963
Five precipitation reactions, filmed by Yan Liang
Copper meets iron sulfate
Explosive polymerization of p-nitroaniline and sulphuric acid
Color changes, filmed by Yan Liang
Caesium in water
Crystallization of copper sulfate (CuSO4), sodium thiosulfate (Na2S2O3), potassium ferrioxalate (K3[Fe(C2O4)3]), and sodium acetate (CH3COONa), filmed by Yan Liang
The Chemical Chameleon
https://www.youtube.com/watch?v=5-vo-mLizGk
Wall of Fire in a jar
Metal displacement, by Yan Liang
Mercury(II) thiocyanate decomposition
https://www.youtube.com/watch?v=ritaljhhk7s