Learning objective
Recall that calcium ions form a white precipitate with sodium hydroxide.
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Topic
Identification of ions by chemical and spectroscopic means
Subtopic
Metal hydroxide precipitate tests
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Quick explanation
Recall that calcium ions form a white precipitate with sodium hydroxide
- This point belongs to Identification of ions by chemical and spectroscopic means, especially Metal hydroxide precipitate tests.
- You need to be able to recall that calcium ions form a white precipitate with sodium hydroxide.
- The key ideas to know are precipitate, white precipitate, and sodium hydroxide.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Metal hydroxide precipitate tests to exam-style questions, flashcards, and revision notes for Identification of ions by chemical and spectroscopic means.
Quick student answer
What should you know about calcium ions form a white precipitate with sodium hydroxide?
Direct answer
In Chemistry, this page helps you answer questions about calcium ions form a white precipitate with sodium hydroxide within Identification of ions by chemical and spectroscopic means. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Calcium ions and Sodium hydroxide.
Key terms
- Calcium ions: Ions that form a white precipitate when reacted with sodium hydroxide.
- Sodium hydroxide: A strong base used to test for metal ions by forming precipitates.
Common trap
Calcium Ion Precipitate Confusion: Remember that calcium ions specifically form a white precipitate with sodium hydroxide, and practice distinguishing this from the precipitates of other ions.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe how flame tests can be used to identify some metal ions.
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- Recall that lithium ions produce a crimson flame.
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- Recall that sodium ions produce a yellow flame.
Flame tests
- Recall that potassium ions produce a lilac flame.
Flame tests
- Recall that calcium ions produce an orange-red flame.
Flame tests