In chemistry, salts are the ionic products when an acid reacts with a base and neutralizes. hygroscopic meaning: (of a substance) absorbing water from the air: . Chemists will … Some common examples of hygroscopic substances include: Sodium chloride; Zinc chloride; Calcium chloride; Sodium hydroxide crystals; Hygroscopic substances are capable of causing corrosion in metals and other materials. The essential process involves the dissolving of an internally held salt in water, or occasionally in another solvent. These deposits of salts are Hygroscopic. ‘It is somewhat hygroscopic or absorbs water from the atmosphere.’ ‘We have found that amorphous paroxetine hydrochloride is a hygroscopic [water absorbing] solid of poor handling qualities.’ ‘On the other hand, SO 2 and chlorides have a corrosive action because water-soluble and hygroscopic salts … In order to understand the nature of hygroscopic salts, we must first look at the term ‘hygroscopic’ which means to absorb water from the air. Examples of Salts in Chemistry. In the solid form, salts have a neutral charge. (of a substance) absorbing water from the air: 2. When dampness has been rising from in the wall in your property for some time, the soluble salts (mainly Chloride and Nitrates) become concentrated where the water evaporates from the wall. The English language is full of useful words that hardly anybody uses!

Hygroscopic substances dissolve by absorbing moisture from the air. All soluble salts will deliquesce if the air is sufficiently humid. Salt is one example of the hygroscopic substances. Certain salts can be distinguished by color. Some examples are Zinc chloride (ZnCl 2), sodium chloride (NaCl) and sodium hydroxide (NaOH). The water, with the salt now held in solution, migrates to the surface, then evaporates, leaving a coating of the salt.

hygroscopic definition: 1. The key difference between desiccant and deliquescent is that the term desiccant describes substances that are hygroscopic, but the term deliquescent refers to the ability to absorb moisture and become liquid.. Therefore, a substance which is hygroscopic is one which is able to consistently attract water from its surroundings via adsorption or absorption. Common causes of salt-contamination include: –Windbourne salt spray if the building is near a sea or river. What are Hygroscopic Salts?

That said, as they take on water, they behave in a similar way to hygroscopic salts. Hygroscopic refers to a matter's ability to adsorb and absorb water from the surrounding environment.