Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th June 1996

5 questions · GCSE · 584 questions in this band

1
Energy Changes
Explain, in terms of bonds, why breaking bonds is an endothermic process.
2
Exothermic and Endothermic Reactions
On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
3
Bond Energies, Cells and Fuel Cells
State the difference between a rechargeable cell and a non-rechargeable cell.
4
Rate and Extent of Chemical Change
State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
5
Rates of Reaction
A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.

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 June 1996, including the monthly compilation PDF.