Lesson
Lesson-19.1.4- know that a catalyst is a substance that increases the rate of a reaction, but is chemically unchanged at the end of the reaction.
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Lesson-19.1.3- explain the effects of changes in surface area of a solid, concentration of a solution, pressure of a gas and temperature on the rate of a reaction in terms of particle collision theory.PreviousLesson-19.1.5- know that a catalyst works by providing an alternative pathway with lower activation energy.Next