Q: 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
Correct Answer: (c)
The correct answer is (b): 10, 2 and 5 respectively. Subject: Geography | Sub-topic: Economic & Mineral Geography Note: This answer was determined through AI-based research. Verify against the official answer key when available.