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  Home > JCE Print > Journal of Chemical Education > Issues > 1998  > January  >
In the Classroom
Tested Demonstrations
"Mud" +" Blood" - A Very Colorful Demonstration
Gordon F. Hambly
John Abbott College, Department of Chemistry, P.O. Box 2000, Ste. Anne de Bellevue, QC H9X 3L9, CANADA
Cover
January 1998
Vol. 75 No. 1
p. 56
Abstract
A red solution of phenolphthalein indicator in base is added to a muddy manganese dioxide solution, and a clear solution is obtained almost immediately. This dramatic demonstration involves both redox and acid-base chemistry and can serve as a review of these subjects.
More Information
*  Citation
 Hambly, Gordon F. J. Chem. Educ. 1998 75 56.
*  Keywords
 Demonstrations and Redox Reactions
*  History
 Created:
Last Updated:		 June 28, 1999
June 23, 2005
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