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WorksheetsGCSE AQA CHEMISTRY Chemical Analysis part 2 2022 AJ
Total questions: 28
Worksheet time: 14mins
What colour precipitate do chloride ions produce?
White
Cream
Yellow
Green
What is the test for hydrogen?
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
makes a squeaky pop
What is the test for chlorine?
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
makes a squeaky pop
What is the test for oxygen?
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
makes a squeaky pop
What is the test for carbon dioxide?
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
makes a squeaky pop
What colour do sodium ions go in a flame test?
Red
Yellow
Brick-red
Lilac
Which two solutions are added to test for the presence of halide ions?
Silver chloride and nitric acid
Barium chloride and hydrochloric acid
Silver nitrate and nitric acid
Barium chloride and sulphuric acid
What colour precipitate to iodide ions form?
White
Cream
Yellow
Green
Which ion produces a brick-red colour in a flame test?
Sodium
Calcium
Copper
Lithium
Copper (II) ions form what colour precipitate test?
Blue
Green
Red/Brown
Cream
What colour precipitate to bromide ions form?
White
Cream
Yellow
Green
What colour precipitate does barium sulphate form?
White
Green
Yellow
Cream
When a student adds a dilute hydrochloric acid to a sample of sodium sulfite to detect the sulfite ion, a colorless gas with a very irritating odor is evolved.What is the name of this gas?
Sulfur dioxide gas
Hydrogen gas
Sulfur monoxide gas
Hydrogen sulfide gas
Suggest two reasons why platinum is a suitable metal to use as the wire in flame test.
Why is a luminous Bunsen flame not suitable for carrying out a flame test?
To test for metal ions add a few drops of sodium hydroxide and if COPPER II ions are present
The precipitate will be blue
The precipitate will be green
To test for metal ions add a few drops of sodium hydroxide and if IRON II ions are present
green
blue
To test for metal ions add a few drops of sodium hydroxide and if IRON III (3+) ions are present the precipitate will be
blue
green
brown
To test for metal ions add a few drops of sodium hydroxide and if Aluminium 3+ ions are present
the solution will become white but redissolve in excess NaOH
the solution will be white
the solution will be green
To test for magnesium ions add a few drops of sodium hydroxide and if Magnesium ions are present the solution will go
brown
blue
white
silver
The state symbol for a precipitate is
(L)
(s)
(aq)
(g)
Sodium hydroxide is added to a solution of an unknown metal ion. At first a white precipitate forms which redissolves with excess NaOH. The unknown ion is....
calcium
Magnesium
Aluminium
Iron III
Sodium hydroxide is added to a solution of an unknown metal ion. At first a white precipitate forms which does NOT redissolves with excess NaOH. The unknown ion is....
iron III
magnesium
calcium
iron II
To test for metal ions add a few drops of sodium hydroxide and if calcium ions are present
The precipitate will be white
The precipitate will be blue
The precipitate will be red
The precipitate will be brown
Sodium hydroxide is added to a solution of an unknown metal ion. A Blue precipitate forms. The unknown ion is....
magnesium
calcium
copper II
brown
Sodium hydroxide is added to a solution of an unknown metal ion. A brown precipitate forms. The unknown ion is....
Copper
Iron II
Iron III
Magnesium
Sodium hydroxide is added to a solution of an unknown metal ion. A blue precipitate forms. The unknown ion is....
Calcium
Aluminium
Iron III
Copper II
If you add sodium hydroxide solution to a solution containing calcium ions a white precipitate will form
TRUE
FALSE
