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Should you apply alum on your face or not, know how it affects your skin
Many different things are included in skin care and one of them is alum. Know here how alum can be applied on the skin. Alum ...
C&EN2y
Lesson 2.1 - Using Dissolving to Identify Substances
They are also given unknown samples marked A, B, and C. One is salt, one is sugar, and the other is alum, which looks like it could be either salt or sugar. Students first use a dissolving test to see ...