Question

2. Mention the factors affecting the rate of reaction.
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Answer 1

Reactions occur when two reactant molecules effectively collide, each having minimum energy and correct orientation. Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.

Explanation:

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Answer 2

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• increased temperature
• increased concentration of dissolved reactants,and increased pressure of gaseous reactants
• increased surface area of solid reactants
• use of a catalyst