Round Bottom Flasks

Round-bottom flasks (also called round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. They are typically made of glass for chemical inertness; and in modern days, they are usually made of heat-resistant borosilicate glass.

Why do scientists prefer round bottom flasks?
The round bottoms on these types of flasks allow more uniform heating and/or boiling of liquid. Thus, They are used in a variety of applications where the contents are heated or boiled.

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