More on efflorescence from Fact Monster:

• hydrate - hydrate hydrate , chemical compound that contains water. A common hydrate is the familiar blue ...
• Glauber's salt - Glauber's salt Glauber's salt, common name for sodium sulfate decahydrate, ...
• sodium thiosulfate - sodium thiosulfate sodium thiosulfate, Na2S2O3, colorless crystalline compound that is more ...
• lead acetate - lead acetate lead acetate, chemical compound, a white crystalline substance with a sweetish taste. ...
• borax - borax borax or sodium tetraborate decahydrate, chemical compound, Na2B4O7·10H2O; sp. gr. ...

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