Question

Common salt contains a substance which is hygroscopic. Name the substance and write its formula.​

Answer 1

sodium carbonates- Na2Co3

epsom salts -MgSo4

gypsum -CaSo4.2 H2O

Answer 2

Answer:

calcium chloride is so hygroscopic that it eventually dissolves in the water it absorbs: this property is called deliquenscence...

Na is the hygroscopic substance and Nacl is the formula of salt.....

hope it helps you...aryan.....have a nice day.....