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HYGROSCOPIC MATERIAL
HYGROSCOPIC MATERIAL : A hygroscopic substance is one that readily attracts water from its surroundings, through either absorption or adsorption. Examples include honey, glycerin, ethanol, methanol, concentrated sulfuric acid, and concentrated sodium hydroxide (lye). Hygroscopy is the phenomenon of attracting and holding water molecules via either absorption or adsorption from the surrounding environment , which is usually at normal or room temperature. If water molecules become suspended among the substance's molecules, adsorbing substances can become physically changed, e.g. changing in volume, boiling point, viscosity, or some other physical characteristic or property of the substance. https://www.youtube.com/watch?v=srfsz9UsXSQ https://www.youtube.com/watch?v=RFcbJ15EqEM The word hygroscopy ( / h aɪ ˈ ɡ r ɒ s k ə p i / ) uses combining forms of hygro- and...
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