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The Development of a Reddish Purple Color When Few Drops

Question 14

Multiple Choice

The development of a reddish purple color when few drops of the Schiff reagent are added to 10 mL of 37-40% formaldehyde indicates which of the following?


A) Schiff reagent is still good and usable
B) Schiff reagent is not effective
C) Schiff reagent should be discarded
D) None of the above

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