Analysing substances 0.0 / 5 ? ChemistryAnalysing substancesGCSEAQA Created by: emiliannaCreated on: 10-12-17 12:51 What is the flame test of potassium? lilac 1 of 15 What is the flame test of copper? green 2 of 15 What is the flame test of barium? green 3 of 15 What is the flame test of sodium? yellow/orange 4 of 15 What is the flame test of lithium? crimson 5 of 15 What is the flame test of calcium? brick-red 6 of 15 Which precipitates are white with sodium hydroxide? Al3+, Ca2+ & Mg2+ 7 of 15 What colours are copper (II), nickel (II), chromium (III), manganese (II) & iron (III) precipitates? copper - blue; nickel - pale green; chromium - dark green; manganese - pale pink; iron - brown 8 of 15 What is the test for carbonates? dilute acid produces CO2, which limewater turns milky 9 of 15 What is the test for halides? nitric acid and silver nitrate solution forms coloured precipitates 10 of 15 What is the test for sulphates? hydrochloric acid and barium chloride solution forms white precipitate 11 of 15 What is the test for hydrogen? a lighted splint 'pops' 12 of 15 What is the test for oxygen? a glowing splint relights 13 of 15 What is the test for carbon dioxide? limewater turns milky 14 of 15 What is the test for chlorine? damp blue litmus paper bleaches 15 of 15
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