Argon chimie

Argon chimie Source google image: https://previews.123rf.com/images/michaklootwijk/michaklootwijk1211/michaklootwijk121100235/16580898-tableau-noir-isol%C3%A9-avec-table-p%C3%A9riodique-l-argon-de-la-chimie.jpg

Reflux gazeux

Reflux gazeux Source google image: https://www.revmed.ch/var/site/storage/images/rms-187/images/rms_idpas_d_isbn_pu2009-03s_sa03_art03_img005.jpg/829440-1-fre-CH/RMS_idPAS_D_ISBN_pu2009-03s_sa03_art03_img005.jpg_i770.jpg

Chimie ballon

Chimie ballon Source google image: https://previews.123rf.com/images/angelp/angelp1607/angelp160702246/63883747-ic%C3%B4ne-de-la-chimie-ballon-%C3%A0-fond-rond-%C3%A0-triple-gorge-conception-de-la-r%C3%A9flexion-de-l-ombre-vector-illustra.jpg