Daily Practice

GCSE Science

8th June 1987

5 questions · GCSE · 584 questions in this band

1
Alkanes, Alkenes and Crude Oil
Name the alkene with the molecular formula C4H8.
2
Alcohols, Carboxylic Acids and Polymers
Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
3
Chemical Analysis
Name the gas that relights a glowing splint.
4
Tests for Ions, Gases and Flame Tests
State the flame test colour for sodium ions.
5
Chromatography 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.

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