Practice Real-world importance of catalysts - 7.5.2 | Chapter 7: Energy Changes in Chemical Reactions | IB Grade 9 Chemistry
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Practice Questions

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Question 1

Easy

What is a catalyst?

💡 Hint: Think of it as a helper in a reaction.

Question 2

Easy

Name one example of an industrial process using a catalyst.

💡 Hint: It produces a key ingredient for fertilizers.

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 is the primary function of a catalyst?

  • To consume reactants
  • To increase reaction rate
  • To change the products

💡 Hint: They help but do not participate in the reaction.

Question 2

True or False: Enzymes are a type of catalyst.

  • True
  • False

💡 Hint: Consider where catalysts are used.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Discuss the impact of using catalysts on industrial manufacturing and environmental sustainability.

💡 Hint: Consider how energy savings can relate to a cleaner environment.

Question 2

Analyze the effect of enzyme concentration on the rate of a biological reaction.

💡 Hint: Think about how more workers can finish a task faster, but only to a point.

Challenge and get performance evaluation