Changing the surface area of the reactants
1 mark · NormalWhich change will increase the rate of a reaction between a solid and a liquid most effectively?
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Correct option: Grinding the solid into a powder.
Common mistakes: Choosing stirring or temperature decrease.
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Selects the correct option: 'Grinding the solid into a powder.'
Worked solution
Grinding a solid increases its surface area, making the reaction faster.