Indicator Sponge

Описание

Place a red sponge in a red solution and it comes out blue. So, naturally, the blue sponge turns red when you put it in a blue solution. Indicators!

This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - http://elearning.flinnsci.com

ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.

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