AQA GCSE CHEMISTRY ION TESTS QUESTIONS
WITH CORRECT ANSWERS 2026
lithium ions - CORRECT ANSWER -flame test = crimson
sodium ions - CORRECT ANSWER -flame test = golden yellow
potassium ions - CORRECT ANSWER -flame test = lilac
calcium ions - CORRECT ANSWER --add sodium hydroxide
-white precipitate
-insoluble in excess sodium hydroxide
-orangey red in flame test
magnesium ions - CORRECT ANSWER --sodium hydroxide
-white precipitate
-insoluble in excess
-no colour in flame test
aluminium ions - CORRECT ANSWER --add sodium hydroxide
-white precipitate
-dissolves with excess
copper (II) ions (flame) - CORRECT ANSWER -flame test = green
Copper (II) ions sodium hydroxide - CORRECT ANSWER -- add sodium hydroxide
- blue precipitate
iron (II) ions - CORRECT ANSWER -- add sodium hydroxide
WITH CORRECT ANSWERS 2026
lithium ions - CORRECT ANSWER -flame test = crimson
sodium ions - CORRECT ANSWER -flame test = golden yellow
potassium ions - CORRECT ANSWER -flame test = lilac
calcium ions - CORRECT ANSWER --add sodium hydroxide
-white precipitate
-insoluble in excess sodium hydroxide
-orangey red in flame test
magnesium ions - CORRECT ANSWER --sodium hydroxide
-white precipitate
-insoluble in excess
-no colour in flame test
aluminium ions - CORRECT ANSWER --add sodium hydroxide
-white precipitate
-dissolves with excess
copper (II) ions (flame) - CORRECT ANSWER -flame test = green
Copper (II) ions sodium hydroxide - CORRECT ANSWER -- add sodium hydroxide
- blue precipitate
iron (II) ions - CORRECT ANSWER -- add sodium hydroxide