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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define rate of reaction.
💡 Hint: Consider what happens to concentrations during a chemical change.
Question 2
Easy
What effect does increasing temperature have on reaction rates?
💡 Hint: Think about molecular motion and energy.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens to the rate of a chemical reaction if the concentration of reactants is doubled?
- Increases
- Decreases
- Remains the same
💡 Hint: Think about the frequency of collisions.
Question 2
True or False: Catalysts are consumed in the reactions they catalyze.
- True
- False
💡 Hint: Consider the role of catalysts in chemical reactions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A reactant's concentration decreased from 0.4M to 0.1M in 10 minutes. Calculate the average rate of reaction.
💡 Hint: Use the formula for average rate.
Question 2
Design a practical activity to measure how temperature affects reaction rates. Include safety measures.
💡 Hint: Ensure to use correct safety equipment when handling chemicals.
Challenge and get performance evaluation