About Chemistry, Environment, Waste Management and Green Life Inspirations

22 December 2009

Chemistry Demonstration


Description: A bottle half-full of a colorless liquid is shaken and turns blue. On standing undisturbed, the blue color fades. The cycle may be repeated several times. Other colors can be produced by substituting other indicators for the methylene blue commonly used.

This demonstration is also available on video and JCE "Chemistry Comes Alive!" Vol. 3 CD-Rom.

Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 2 page: 142

Keywords: Blue Bottle, Oxygen, dextrose, glucose

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