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For each of the three unlabelled bottles, outline a test and the observations needed to identify the contents of the bottle.
Chemistry 5070 · O Level · Identification of ions and gases
Identification of ions and gases — practice question
A student has three unlabelled bottles, and each one contains a solution.
The student is told that the bottles contain:
• dilute hydrochloric acid
• aqueous aluminium sulfate
• aqueous zinc sulfate
The student is given:
• dilute nitric acid
• aqueous silver nitrate
• aqueous ammonia
and no other chemicals or indicators.