Daily Practice
GCSE Science
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17th July 1989
- 1Rate and Extent of Chemical Change
State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 2Rates of Reaction
Explain how a catalyst increases the rate of a reaction without being used up.
- 3Reversible Reactions and Equilibrium
State the catalyst commonly used in the Haber process.
- 4Organic Chemistry
State the general formula of the alkanes.
- 5Alkanes, Alkenes and Crude Oil
State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1989, including the monthly compilation PDF.