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WorksheetsCHEMICAL TESTS
Total questions: 13
Worksheet time: 32mins
Which of the following is a chemical test for the gas oxygen?
relights a glowing splint
bleaches damp litmus paper white
pops with a lit splint
turns limewater cloudy
Which of the following is a chemical test for the gas hydrogen?
relights a glowing splint
turns limewater cloudy
bleaches damp litmus paper white
pops with lit splint
A gas turns damp red litmus paper blue. The gas is
sulfur dioxide, SO2
oxygen, O2
ammonia, NH3
carbon dioxide, CO2
Which gas is formed when a metal reacts with an acid?
oxygen, O2
chlorine, Cl2
hydrogen, H2
carbon dioxide, CO2
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?
What colour would be observed in the flame if the solid contained sodium ions?
Barium chloride solution is added to another solution of iron(II) sulfate. A white precipitate forms. Identify the white precipitate.
Describe how you could show that a solution of (NH4)2Fe(SO4)2 contains ammonium ions.
Describe a chemical test to show that the colourless liquid contains water.
Describe a physical test to show that the colourless liquid is pure water.
Describe a chemical test to show that a substance contains chloride ions.
How will you differentiate lithium carbonate and lithium iodide?
