Daily Practice · GCSE Science

Daily Practice - GCSE Science

29th December 1996

5 questions · GCSE · 584 questions in this band

1
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.
2
Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
3
Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
4
Rates of Reaction
Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
5
Reversible Reactions and Equilibrium
State Le Chatelier's principle in your own words.

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