Question

What happens when crystals of washing soda are kept in open for a long time

Answer 1

They lose their water of crystallisation molecule

Answer 2

HeYa Here is ur answer :-----

WASHING SODA :Na2CO3. 10H2O

IT IS A HYDROUS COMPOUND . A SODIUM SALT WHICH CAN BE SOLUBLE IN WATER. WHEN IT IS EXPOSED TO AIR OPEN FOR A LONGER TIME THEN IT UNDERGOES CRYSTALLISATION N LOSSES ITS 10 WATER MOLECULES N BECOMES ANHYDROUS

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