Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th August 1997

5 questions · GCSE · 584 questions in this band

1
Reactivity, Acids and Salts
Define oxidation in terms of electrons.
2
Electrolysis
Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
3
Energy Changes
Using the values in the previous question, calculate the overall energy change for the reaction.
4
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.
5
Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1997, including the monthly compilation PDF.