Daily Practice
GCSE Science
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6th March 1986
- 1Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
- 2Chemical Analysis
Name the gas that relights a glowing splint.
- 3Tests for Ions, Gases and Flame Tests
State the flame test colour for sodium ions.
- 4Chromatography and Instrumental Analysis
State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
- 5Chemistry of the Atmosphere
Name three greenhouse gases.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1986, including the monthly compilation PDF.