Daily Practice · GCSE Science

Daily Practice - GCSE Science

3rd November 1994

5 questions · GCSE · 584 questions in this band

1
Bond Energies, Cells and Fuel Cells
State whether forming a new chemical bond requires energy or releases energy.
2
Rate and Extent of Chemical Change
State the four factors that can increase the rate of a chemical reaction.
3
Rates of Reaction
Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
4
Reversible Reactions and Equilibrium
State Le Chatelier's principle in your own words.
5
Organic Chemistry
Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O

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