A) \[AgN{{O}_{3}}\] and \[KBr\]
B) \[BaC{{O}_{3}}\] and \[ZnS\]
C) \[FeC{{l}_{3}}\] and \[CaC{{O}_{3}}\]
D) \[Mn{{(N{{O}_{3}})}_{2}}\] and \[MgS{{O}_{4}}\]
Correct Answer: B
Solution :
The mixture of \[BaC{{O}_{3}}\] and \[ZnS\] is not soluble in water but dissolves completely in dilute hydrochloric acid to form a colourless solution.
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