Question

what happens when washing soda is recrystallized from its aqueous solution.​

Answer 1

as washing soda formula is Na2CO3.10H2O

it is a water of crystalline

so when its recrystallized we get

Na2CO3.10H2O    -----------> Na2CO3  +  10H2O

Answer 2

      Na2CO3+10 H2O--------->Na2CO3.10H2O