Practice Summary - 5.4 | Chapter 5: Surface Chemistry | ICSE Class 12 Chemistry
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5.4 - Summary

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define adsorption in your own words.

💡 Hint: Think about how particles cling to a surface.

Question 2

Easy

What is the difference between physisorption and chemisorption?

💡 Hint: Consider the strength of the forces at action.

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 main difference between physisorption and chemisorption?

  • Physisorption has strong bonds
  • chemisorption weak forces
  • Physisorption is reversible
  • chemisorption is often irreversible
  • Both are irreversible

💡 Hint: Think about what happens when you heat or change a condition.

Question 2

True or False: Catalysts are consumed in the reactions they participate in.

  • True
  • False

💡 Hint: Consider what happens to a catalyst post-reaction.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A catalyst used in the chemical synthesis of ammonia is known to improve overall efficiency but can be poisoned by impurities. Discuss the dual role of a catalyst in industrial processes.

💡 Hint: Think about why industries monitor reactant purity and catalyst health.

Question 2

How would you explain the significance of the Tyndall Effect in colloidal observations to a class of younger students?

💡 Hint: Use the analogy of light rays visible in a dark room. How would light showing dust relate to colloids?

Challenge and get performance evaluation