A) \[ZnC{{l}_{2}}\]
B) \[MgS{{O}_{4}}.7{{H}_{2}}O\]
C) \[ZnS{{O}_{4}}.7{{H}_{2}}O\]
D) \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
Correct Answer: C
Solution :
Zinc sulphate \[(ZnS{{O}_{4}}.7{{H}_{2}}O)\] is called white vitriol. It, when heated with barium sulphide, forms a white pigment, lithopone.
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