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Questions and Answers
What factor(s) influence(s) the rate of chemical reaction?
What factor(s) influence(s) the rate of chemical reaction?
- Color of the reactants
- Nature of the reactants (correct)
- Age of the reactants
- Size of the reactants
What is a catalyst?
What is a catalyst?
- A substance that hastens the rate of chemical reaction without itself being permanently consumed (correct)
- A substance that permanently consumes itself
- A substance that slows down chemical reactions
- A substance that changes color during a reaction
How does temperature affect the rate of chemical reaction?
How does temperature affect the rate of chemical reaction?
- A decrease in temperature increases the reaction rate for exothermic reactions
- A decrease in temperature increases the reaction rate for endothermic reactions
- A rise in temperature increases the speed of chemical reaction (correct)
- A rise in temperature decreases the speed of chemical reaction
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