Chemical Tests C3 Revision 4.0 / 5 based on 1 rating ? ChemistryTesting and analysing substancesGCSEAQA Created by: ThéaCreated on: 18-05-13 17:40 What is the colour of the flame, when Lithium (Li+) is burnt in a bunsen burner? Crimson 1 of 16 What is the colour of the flame, when Sodium (Na+) is burnt in a bunsen burner? Yellow 2 of 16 What is the colour of the flame, when Potassium (K+) is burnt in a bunsen burner? Lilac 3 of 16 What is the colour of the flame when Calcium (Ca2+) is burnt in a bunsen burner? Red 4 of 16 What is the colour of the flame when Barium (Ba2+) is burnt in a bunsen burner? Green 5 of 16 What happens when Aluminium (Al3+) is added to sodium hydroxide solution? A white precipitate of Aluminium Hydroxide is produced, which redissolves in excess sodium hydroxide 6 of 16 What happens when Calcium (Ca2+) is added to sodium hydroxide solution? A white precipitate of Calcium Hydroxide is produced 7 of 16 What happens when Magnesium (Mg2+) is added to sodium hydroxide solution? A white precipitate of Magnesium Hydroxide is produced 8 of 16 What happens when Copper (II) (Cu2+) is added to sodium hydroxide solution? A blue precipitate of Copper Hydroxide is produced 9 of 16 What happens when Iron (II) (Fe2+) is added to sodium hydroxide solution? A green precipitate of Iron Hydroxide is produced 10 of 16 What happens when Iron (III) (Fe3+) is added to sodium hydroxide solution? A brown precipitate of Iron Hydroxide is produced 11 of 16 What happens when dilute acid (nitric,hydrochloric or sulphuric) is added to a Carbonate (CO3 2-)? Carbon dioxide gas is produced, which turns limewater cloudy/milky white 12 of 16 What happens when dilute nitric acid, then silver nitrate solution is added to a Chloride (Cl-)? A white precipitate of Silver Chloride is produced 13 of 16 What happens when dilute nitric acid, then silver nitrate solution is added to a Bromide (Br-)? A cream precipitate of Silver Bromide is produced 14 of 16 What happens when dilute nitric acid, then silver nitrate solution is added to an Iodide (I-)? A yellow precipitate of Silver Iodide is produced 15 of 16 What happens when dilute hydrochloric acid, followed by barium chloride solution is added to a Sulphate (SO4 2-)? A white precipitate of Barium Sulphate is produced 16 of 16
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