Daily Practice
GCSE Science
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19th October 1990
- 1Bond Energies, Cells and Fuel Cells
State the difference between a rechargeable cell and a non-rechargeable cell.
- 2Rate and Extent of Chemical Change
State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 3Rates of Reaction
In the disappearing cross required practical, state the dependent variable that is measured.
- 4Reversible Reactions and Equilibrium
In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 5Organic Chemistry
Name the two industrial methods of cracking.
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