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termine whether the combination of each pair of solutions can or cannot be tested in the precipitation lab Can test in the la

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Answer #1

Ans- Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 this pair of solution cannot be tested in precipitation lab as both the products are not ppt.

Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 this pair of solution can be tested in ppt lab as BaSO4 is a ppt.

Pb(NO3)2 + Ni(NO3)2 = same anion. This pair cannot be tested in ppt lab

KI + Ni(NO3)2 = KNO3 + NiI2 this pair cannot be tested in ppt lab.

K2SO4 + K2CO3 = Same cation. This pair cannot be tested in ppt lab.

K2S + KI = same cation. This pair cannot be tested in lab. As both of them are clear solutions.

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