Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

18th September 2023

5 questions · GCSE · 584 questions in this band

1
Organic Chemistry
Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
2
Alkanes, Alkenes and Crude Oil
Name the alkene with the molecular formula C4H8.
3
Alcohols, Carboxylic Acids and Polymers
Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
4
Chemical Analysis
A solid gives a lilac flame test. Name the metal ion present.
5
Tests for Ions, Gases and Flame Tests
Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.

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