Daily Practice

GCSE Science

28th August 1987

5 questions · GCSE · 584 questions in this band

1
Bond Energies, Cells and Fuel Cells
State the difference between a rechargeable cell and a non-rechargeable cell.
2
Rate and Extent of Chemical Change
State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
3
Rates of Reaction
Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
4
Reversible Reactions and Equilibrium
State Le Chatelier's principle in your own words.
5
Organic Chemistry
Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O

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 1987, including the monthly compilation PDF.