Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
9th December 2019
- 1Electrolysis
State the name given to the negative electrode in electrolysis.
- 2Energy Changes
A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 3Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.
- 4Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
- 5Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
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