Paypay:Chemicals in flasks.jpgEnglish Chemicals (including ammonium hydroxide and nitric acid) in multicolored glowing flasks Korean 여러 색으로 빛나는 플라스크들에 담겨져 있는 화학 물질들 (수산화암모늄, 질산 포함)
Paypay:NaturalScienceMontage.pngnatural science: Chemistry (represented by the center image of flasks containing chemicals), Astronomy (top left picture of stars), Earth Science (top right
Paypay:Glaskolben-2.jpg2006-04-04T16:06:41Z Bggoldie 800x600 (74871 Bytes) Chemical flasks, copied from [[:de:Bild:Glaskolben.jpg]], author Grimbart. Original description: *Beschreibung:
Paypay:A conical flask 1.jpgthe original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English A conical flask
Paypay:Round bottom flask 1.jpgoriginal. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Round bottom flask