The following story is a chemical mystery with an emphasis on qualitative inorganic analysis, laboratory observations, and oxidation–reduction processes. This is the 14th article in a series presenting a scientific problem in mystery format in the context of the popular and beloved characters Sherlock Holmes and Dr. Watson. There is a break in the story where readers (students and teachers) can ponder and solve the mystery. Sherlock Holmes provides his solution in the paragraphs following this break.
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Citation
Waddell, Thomas G.; Rybolt, Thomas R. J. Chem. Educ.2003 80 401.
Keywords
Electrochemistry; Materials Science; Public Understanding; Qualitative Analysis
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