Question

what is hygroscopic ????? & follow me​

Answer 1

• Hygroscopy. 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).

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Answer 2

$\sf{\underline{\boxed{\huge{\bold{hygroscopic }}}}}$

• Certain substance absorb moisture ( water vapour ) from the atmosphere when they are exposed to it but not enough to form solution . Such substances are called hygroscopic substances .

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• This phenomenon is known as hygroscopy .

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• Hygroscopic substances have tendency to take up moisture from the air , however they can be in solid state or liquid state .

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• some examples of hygroscopic substances are ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

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1. con. sulphuric acid $H_2SO_4$
2. phosphorus pentaoxide $P_2O_5$
3. Quicklime $CaO$
4. Silica gel

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