Indicator Sponge - видео

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 - ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratoryclassroom setting. Be sure to...
Источник видео: RuTube.ru (Обучение)