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5 cards from this section. Quick, good the night before a test.
What gas is evolved when ammonium ions are tested with NaOH?
It's the same gas with a strong smell, often used in cleaners.
What color precipitate is formed when copper ions react with NaOH?
Think of the color of the ocean!
What is released upon heating ammonium ions with NaOH?
It's a gas with a strong smell.
True or False: A green precipitate indicates the presence of Cu²⁺.
Remember the color of cations' precipitates!
You have a solution that may contain Cu²⁺, Fe²⁺, and Zn²⁺. Outline a step-by-step procedure to identify which cation(s) are present.
Identify by precipitation colors methodically.
Design an experiment to test a solution suspected of containing Fe³⁺ ions, detailing the expected observations.
Focus on what happens in response to the reagents.
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