Class 12th Chemistry Chapter Surface Chemistry Free MCQ Test Quiz

Prepare for your Class 12 Chemistry exams with our free test quiz on Surface Chemistry! Learn about Adsorption, Catalysis, Colloidal State, and Emulsions. Explore Physisorption and Chemisorption, factors affecting gas adsorption, enzyme catalysis, and properties of colloids. Dive into the fascinating world of surface chemistry now!

Check Class 12th Chemistry Surface Chapter Knowledge

12th Chemistry: Surface Chemistry

1 / 10

1. Hydrolysis of urea is an example of

homogenous catalysis

heterogenous catalysis

biochemical catalysis

zeolite catalysis

2 / 10

2. A catalyst

changes the equilibrium constant

lowers the activation energy

increases the forward and backward reactions at different speeds.

follows same mechanism for the reaction.

3 / 10

3. If dispersed phase is a liquid and the dispersion medium is a solid, the colloid is known as

a sol

a gel

an emulsion

a foam

4 / 10

4. Identify the correct statement regarding enzymes

Enzymes are specific biological catalysts that cannot be poisoned.

Enzymes are normally heterogeneous catalysts that are very specific in their action.

Enzymes are specific biological catalysts that can normally function at very high temperatures (T ≈ 1000K).

Enzymes are specific biological catalysts that possess well-defined active sites.

5 / 10

5. Which is adsorbed in maximum amount by activated charcoal?

N₂

CO₂

Cl₂

O₂

6 / 10

6. The action of enzymes in living system is to :

supply energy to tissues

enhance immunity

circulate oxygen

enhance the rate of biochemical reactions.

7 / 10

7. Catalyst increases the rate of reaction by

decreasing threshold energy

decreasing activation energy

increasing activation energy

decreasing equilibrium constant

8 / 10

8. In Freundlich adsorption isotherm, the value of 1/n is :

between 0 and 1 in all cases

between 2 and 4 in all cases

1 in case of physical adsorption

1 in case of chemisorption

9 / 10

9. Purple of cassius is colloidal solution of :

Silver

Lead

Gold

Mercury

10 / 10

10. Which of the following is not a favourable condition for physical adsorption?

High pressure

Negative △H

Higher critical temperature of adsorbate

High temperature

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Chapter-Wise Chemistry Mock Test Quiz: Surface Chemistry (Class 12)

✨ Class 12 Chemistry Chapter 5 Free Test Quiz: Surface Chemistry, Adsorption, and Colloids!

Are you preparing for your Class 12 Chemistry exams? Test your knowledge with our free online quiz on Chapter 5 – Surface Chemistry! This chapter covers key topics like adsorption, catalysis, colloidal state, and emulsions.

🔍 Explore Surface Chemistry
Understand the fascinating concepts of physisorption and chemisorption, and learn the factors affecting adsorption of gases on solids. Dive into different types of catalysis — homogeneous and heterogeneous — and discover the role of enzymes as highly selective biological catalysts.

🌫️ Discover Colloids
Learn to differentiate between true solutions, colloids, and suspensions. Explore the properties and types of colloids, including lyophilic and lyophobic, as well as multimolecular and macromolecular colloids. Understand important phenomena such as the Tyndall effect, Brownian motion, electrophoresis, and coagulation.

💧 Understand Emulsions
Delve into various types of emulsions and their significance in everyday life and industry.

🎯 Why Take This Quiz?
Whether you aim for top scores or want to deepen your understanding, our free test quiz is a perfect tool to reinforce your learning of Chapter 5 – Surface Chemistry. Take the quiz now and boost your confidence!

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