Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
13th November 2025
- 1Reversible Reactions and Equilibrium
State the two named reactants used in the Haber process.
- 2Organic Chemistry
Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
- 3Alkanes, Alkenes and Crude Oil
Name the alkene with the molecular formula C4H8.
- 4Alcohols, Carboxylic Acids and Polymers
Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 5Chemical Analysis
Describe the result of the test for carbon dioxide.
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