Explain the procedure to confirm the given salt is a hydrous or anhydrous.

Explanation

1) Take given salt in a test tube .
2) Observe the colour of salt.
3) Heat the test tube gently.
4) Observe the colour of salt and also moisture (droplets) in side of the test tube walls.
5) If its colour changes or forms water droplets, it is hydrous salt.
6) Otherwise it is anhydrous salt.