Why do copper nitrate crystals start turning into a solution on exposure to moist air?

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Solution

This is because of its property known as deliquescent.
Deliquescent: It is a type of process because of which a substance absorbs the moisture present in the air.
This process continues until the substance dissolves in the moisture and converts into a solution.
Copper nitrate, Cu(NO₃)₂ is a type of deliquescent substance.
Therefore it absorbs the moisture present in the air and gets converted into a solution.

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Similar questions

Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

State the term:
When a substance absorbs moisture on exposure to moist air and dissolves in the absorbed water and turned into a solution.

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