C3 - Analysing Substances - Cation tests 0.0 / 5 ? ChemistryAnalysing substancesGCSEAQA Created by: ameliahiltonCreated on: 20-03-16 12:00 What is the charge of cations? Positive 1 of 12 What is a flame test used to analyse? Cation 2 of 12 How is a flame test carried out? Heat and dip a nichrome wire in HCL, then dip it in the compound and place in the flam 3 of 12 Which metal would produce a scarlet flame? Lithium 4 of 12 Which metal would produce a green flame? Barium 5 of 12 Which metal would produce a yellow flame? Sodium 6 of 12 Which metal would produce a brick red flame? Calcium 7 of 12 Which metal would produce a Lilac flame? Potassium 8 of 12 What is another test that can be done for Cations? Adding Sodium Hydroxide 9 of 12 Which 3 cations produce white precipitates when NaOH is added? Aluminium,Calcium,Magnesium 10 of 12 Which Cation experiences no change from either test? Magnesium 11 of 12 Why aren't flame tests used to test all cations? Many only produce white flames, or similar coloured flames 12 of 12
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