The change that will cause a chemical reaction to speed up is increasing the surface area of a solid reactant.
A chemical reaction involves the formation of product (s) by the collision of reactant molecules.
However, a chemical reaction can be caused to speed up i.e. occur more rapidly.
The factors that can cause a chemical reaction to speed up are as follows:
Therefore, the change that will cause a chemical reaction to speed up is increasing the surface area of a solid reactant.
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