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THE FLAME TEST The flame test is a procedure used in chemistry to detect the presence of certain metal ions based on each element's characteristic emission spectrum. The test involves introducing a sample of the element or compound to a hot, non-luminous bunsen flame, and observing the colour that results. Samples are usually held on a platinum wire cleaned repeatedly with hydrochloric acid to remove traces of previous analytes.1 Assessment: This work can be assessed for Data Collection and Conclusion & Evaluation Data Collection: The appearance of compounds, which will be introduced in the flame test: Compound Appearance sodium chloride (NaCl) white, very small crystals potassium chloride (KCl) white, crystalline solid boric acid (H3BO3) white, crystalline solid calcium chloride (CaCl2) white, solid crystals lithium chloride (LiCl·H2O) white, crystalline solid lead carbonate (PbCO3) white, solid barium chloride (BaCl2) white, solid strontium chloride (SrCl2) white, crystalline solid copper sulphate (CuSO4·5H2O) blue, crystalline solid caesium chloride (CsCl) white, solid unknown white, crystalline solid Recorded colors of the element's flame: Compound Colour of the flame sodium chloride (NaCl) orange potassium chloride (KCl) pale orange boric acid (H3BO3) bright green calcium chloride...

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