Flame Tests and Metal Ion Identification
Students perform flame tests to identify metal cations and use sodium hydroxide to precipitate metal hydroxides. They will record and analyse their observations.
About This Topic
Students perform flame tests to identify metal cations and use sodium hydroxide to precipitate metal hydroxides. They will record and analyse their observations.
Key Questions
- Which metal ions produce distinctive flame colours?
- How does sodium hydroxide help identify metal cations?
- What are the limitations of visual flame tests?
Planning templates for Chemistry
More in Chemical Analysis
Purity, Formulations, and Chromatography
Students learn to distinguish between pure substances and mixtures, including formulations. They will use paper chromatography to separate and identify substances.
2 methodologies
Identification of Common Gases
A practical review of the standard laboratory tests for common gases. Students will describe the positive results for hydrogen, oxygen, carbon dioxide, and chlorine.
2 methodologies
Instrumental Methods of Analysis
An introduction to modern instrumental techniques such as flame emission spectroscopy. Students will evaluate the advantages of instrumental methods over chemical tests.
2 methodologies