A-LevelChemistryAnalytical techniques9701/12 · May/June 2023 · Q221 Mark
J dissolves in water to give an aqueous solution K. K gives a dense white precipitate when aqueous silver nitrate is added. When heated with aqueous potassium hydroxide, K gives off a gas that turns moist universal indicator paper blue. What is J?
Aammonium chloride
Bammonium sulfate
Csodium chloride
Dsodium hydroxide
✓ Correct answer
A: ammonium chloride
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