Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
26th January 2024
- 1Energy Changes
State whether the combustion of methane is exothermic or endothermic.
- 2Exothermic and Endothermic Reactions
State what is meant by the activation energy of a reaction.
- 3Bond Energies, Cells and Fuel Cells
State whether forming a new chemical bond requires energy or releases energy.
- 4Rate and Extent of Chemical Change
State the four factors that can increase the rate of a chemical reaction.
- 5Rates of Reaction
State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
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