Daily Practice

GCSE Science

18th November 1961

5 questions · GCSE · 584 questions in this band

1
Energy Changes
Give one everyday example of 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
Explain how a catalyst increases the rate of a reaction without being used up.

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