1.

Which of the following salts exist(s) as dechydrated crystal ?

Answer»

WASHING sods
Glauber.s salt
Epsom salt
Gypsum

Solution :`underset("Washing SODA")(Na_(2)CO_(3).10H_(2)O)rArrunderset("Gluuber.s salt")(Na_(2)SO_(4).10H_(2)O)`


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