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AQA Ion tests

Read title, dummy

QuestionAnswer
What metal ion forms a crimson flame during a flame test? Lithium
Sodium hydroxide is added to a substance, forming a blue precipitate. What metal ion does the substance contain? Copper(II)
A dilute acid is mixed with a carbonate. What is the resulting chemical and how does it react when mixed with limewater? Carbon dioxide - turns it cloudy
Sodium hydroxide is added to a substance, forming a green precipitate. What metal ion does the substance contain? Iron(II)
What metal forms a Yellow flame during a flame test? Sodium
A solution containing halide ions reacts with a silver nitrate solution in the presence of dilute nitric acid. A white precipitate is formed, What was the halide ion? Chloride
What metal forms a lilac flame during a flame test? potassium
A solution containing halide ions reacts with a silver nitrate solution in the presence of dilute nitric acid. A cream precipitate is formed, What was the halide ion? bromide
Sodium hydroxide is added to a substance, forming a brown precipitate. What metal ion does the substance contain? (Iron)(III)
What metal forms a red flame during a flame test? calcium
Sodium hydroxide is mixed with a solution and forms a white precipitate. What three metal ions could it contain? Aluminium, magnesium, calcium
A solution containing halide ions reacts with a silver nitrate solution in the presence of dilute nitric acid. A yellow precipitate is formed, What was the halide ion? Iodide
What metal forms a green flame during a flame test? Barium
An ion in solution produces a white precipitate when reacted with barium chloride solution in the presence of dilute hydrochloric acid. What is the ion? Sulfate
Created by: pythagosaurus
 

 



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