Round-Bottom Flask - Essential Lab Glassware for Chemistry Experiments #35121 (License: Personal Use)

This illustration depicts a standard round-bottom flask, commonly made of borosilicate glass, featuring a spherical base for even heat distribution and a narrow neck to minimize evaporation and allow secure stoppering. The blue-tinted neck aids visual identification in lab settings, while the transparent body reveals liquid level and clarity. Often used in distillation setups, reflux reactions, and vacuum applications due to its durability under thermal stress.

Used on educational science websites, chemistry lab supply pages, or instructional content about laboratory equipment; targets students, educators, and researchers seeking reliable visual references for lab apparatus.