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Glauber salt is a

$\begin{array}{1 1}(a)\;hepta \;hydrate&(b)\;deca\; hydrate\\(c)\;penta\;hydrate&(d)\;dihydrate\end{array}$

1 Answer

Glauber salt is a deca hydrate.
The deca hydrate form of sodium sulphate, a colorless, crystalline, water-soluble solid, $Na_2 SO_4 ยท10H_2 O$, used chiefly in textile dyeing and as a cathartic.
Hence (b) is the correct answer.
answered Jan 28, 2014 by sreemathi.v
edited Nov 21, 2017 by sharmaaparna1