Which of the following combinations of conditions may increase the rate of a chemical reaction?
Adding a catalyst increases the rate of a chemical reaction. A catalyst is a substance that speeds up a reaction without being used up in the process. Also, increasing the surface area of a reactant increases the rate of a chemical reaction. This is because it increases the number of collisions between the reactants. Similarly, increasing the temperature also affects the rate of chemical reaction. Therefore, Increase in temperature, increase in concentration, adding a catalyst and increase in surface area affect the rate of chemical reaction.
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