Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd April 1997

5 questions · GCSE · 584 questions in this band

1
Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
2
Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
3
Rates of Reaction
Explain why using a light sensor and data logger is more reliable than timing by eye in the disappearing cross practical.
4
Reversible Reactions and Equilibrium
In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
5
Organic Chemistry
Define the term 'hydrocarbon'.

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