The characters and the application of carbamide are introduced, and the application and the mechanism as cooking reagent and protecting-bleaching reagent are mainly discussed.
介绍了尿素的性质及其应用，主要论述了尿素作为蒸煮剂及漂白保护剂的应用及机理。
Useage: analytical reagent, reducing agent and bleaching cream.
用途：分析、检验用试剂，也用作还原剂和漂白剂。
Potassium permanganate is used for disinfecting, deodorizing, and Bleaching and as a reagent in analysis.
高锰酸钾用于消毒、除臭、漂白，并在分析中用作试剂。
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