Edexcel OLevel Chemistry revision notes

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Lesson

Lesson-17.1.5- know the colours formed in flame tests for these cations: ??? Ca2+ is orange-red ??? Cu2+ is blue-green.

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Lesson-17.1.4- know the colours formed in flame tests for these cations: ??? Li+ is red ??? Na+ is yellow ??? K+ is lilac.Previous Lesson-17.1.6- describe tests for these cations: ??? NH4+ using sodium hydroxide solution and identifying the gas evolved.Next