A) \[{{H}_{2}}S\] gas
B) Hot dilute \[HCl\] solution
C) \[N{{H}_{4}}Cl\] (solid) + \[N{{H}_{4}}OH\]solution
D) \[N{{H}_{4}}Cl\] (solid) + \[{{\left( N{{H}_{4}} \right)}_{2}}C{{O}_{3}}\] solution
Correct Answer: B
Solution :
Both \[Pb\] and \[Ag\] form white ppt. of their chlorides. But \[PbC{{l}_{2}}\] is soluble in hot water while \[AgCl\] does not dissolve in hot water.
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