O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2025 · Q191 Mark
Two compounds are dissolved separately in water. When the two solutions are mixed, there is no observable change. What are the two compounds?
Asodium chloride and barium nitrate
Bsodium chloride and lead nitrate
Csodium sulfate and barium chloride
Dsodium sulfate and lead chloride
✓ Correct answer
A: sodium chloride and barium nitrate
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