Number of molecules of water of crystallization in copper sulphate, sodium carbonate and Gypsum are

Number of molecules of water of crystallization in copper sulphate, so

1.	Number of molecules of water of crystallization in copper sulphate, sodium carbonate and Gypsum are
A.	5, 10 and 2 respectively
B.	10, 2 and 5 respectively
C.	5, 2 and 10 respectively
D.	2, 5 and 10 respectively
Answer» B. 10, 2 and 5 respectively