Chalk as a Wick

Author: ChemistryViews.org

Chalk doesn’t burn. A flammable liquid, such as ethanol, is filled into a small container. The liquid rises to the top of the chalk. Now the chalk can be ignited.

As with a wick, the liquid fuel is supplied to the flame by capillary forces against the force of gravity.


Article Information

https:/doi.org/10.1002/chemv.201900144


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