A) \[MgS{{O}_{4}}.{{H}_{2}}O\]
B) \[CuS{{O}_{4}}.5{{H}_{2}}O\]
C) \[FeS{{O}_{4}}.7{{H}_{2}}O\]
D) \[N{{a}_{2}}S{{O}_{4}}.10{{H}_{2}}O\]
Correct Answer: D
Solution :
(a) \[MgS{{O}_{4}}.7{{H}_{2}}O\] - Epsom salt (b) \[CuS{{O}_{4}}.5{{H}_{2}}O\] - Blue vitrol (c) \[FeS{{O}_{4}}.7{{H}_{2}}O\] - Green vitrol (d) \[N{{a}_{2}}S{{O}_{4}}.10{{H}_{2}}O\] - Glaubefs salt
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