Deliquescent materials are substances (mostly salts) which have a strong affinity for moisture and will absorb relatively large amount of water from the atmosphere if exposed to it, forming a liquid solution. Deliquescent salts include calcium chloride, magnesium chloride, zinc chloride, and the strong base sodium hydroxide. They are often used as desiccants.

See also

• Efflorescence
• Hygroscopic

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Chemical_properties