[vctrm67]

How can 0.1g samples of the two white solids, lead (II) chloride and silver chloride, be distinguished from one another?
A. Add 10 mL of cold water to each. The silver chloride will dissolve
B. Add 10 mL of hot water to each. The lead (II) chloride will dissolve.
C. Add 10 mL of sodium chloride to each solution. The lead (II) chloride will become warm and release chlorine gas.
D. Add 10 mL of zinc chloride solution to each. The silver chloride will change to metallic silver.


Can someone answer this question and tell me why? What category would this question fall under, and where could I learn more about this kind of stuff?

[Arkcon]

Basically, this is seems to me like an end of the year multiple choice question.  It really does cover many concepts in one multiple-guess question.  What's happening in each option?  Look at the last two -- can you write balanced chemical equations?  Do those equations "make sense", as in, do they go forward?  Did you do anything, in the laboratory, like the first two?  Also, each option focuses on just one compound, but what would the other one do under the same conditions?  If nothing different happens, then the test is useless.

[antimatter101]

you know, PbCl₂ is slightly soluble...

[explosioner]

 Though AgCl2 is less soluble than other sample B) is definitely correct. There r no reactions in C) and D)

[Borek]

AgCl2

You may want to check its existence.