←Chemical analysis
From Paper 2, Higher
In paper chromatography, a spot moved 3.6 cm and the solvent moved 8.0 cm. Calculate the Rf value and explain how it could identify the substance.
From Paper 2, Higher
In paper chromatography, a spot moved 2.1 cm and the solvent moved 7.0 cm. Calculate the Rf value and explain how it could identify the substance.
From Paper 2, Higher
Describe tests for hydrogen, oxygen, carbon dioxide and chlorine.
From Paper 2, Higher
Describe how to identify the ions in a solution of iron(II) sulfate.
From Paper 2, Higher
Give the flame test colours for lithium, sodium and potassium.
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This paper is written by Plasmo in the style of the AQA GCSE Chemistry exam. It is not a past paper and is not produced or endorsed by the exam board.