Surface Chemistry

Description: This quiz is designed to assess your knowledge of Surface Chemistry, a branch of chemistry that deals with the interactions between surfaces and their environment.
Number of Questions: 15
Created by:
Tags: surface chemistry adsorption desorption catalysis colloids
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What is the process by which molecules or atoms attach to a surface called?

  1. Adsorption

  2. Desorption

  3. Chemisorption

  4. Physisorption


Correct Option: A
Explanation:

Adsorption is the process by which molecules or atoms attach to a surface.

What is the process by which molecules or atoms leave a surface called?

  1. Adsorption

  2. Desorption

  3. Chemisorption

  4. Physisorption


Correct Option: B
Explanation:

Desorption is the process by which molecules or atoms leave a surface.

What type of adsorption involves the formation of chemical bonds between the adsorbate and the surface?

  1. Adsorption

  2. Desorption

  3. Chemisorption

  4. Physisorption


Correct Option: C
Explanation:

Chemisorption is the type of adsorption that involves the formation of chemical bonds between the adsorbate and the surface.

What type of adsorption involves the formation of weak physical forces between the adsorbate and the surface?

  1. Adsorption

  2. Desorption

  3. Chemisorption

  4. Physisorption


Correct Option: D
Explanation:

Physisorption is the type of adsorption that involves the formation of weak physical forces between the adsorbate and the surface.

What is the term used to describe the increase in the rate of a chemical reaction due to the presence of a catalyst?

  1. Catalysis

  2. Inhibition

  3. Activation

  4. Deactivation


Correct Option: A
Explanation:

Catalysis is the term used to describe the increase in the rate of a chemical reaction due to the presence of a catalyst.

What is the term used to describe the decrease in the rate of a chemical reaction due to the presence of an inhibitor?

  1. Catalysis

  2. Inhibition

  3. Activation

  4. Deactivation


Correct Option: B
Explanation:

Inhibition is the term used to describe the decrease in the rate of a chemical reaction due to the presence of an inhibitor.

What is the term used to describe the process by which a catalyst increases the rate of a chemical reaction?

  1. Activation

  2. Deactivation

  3. Catalysis

  4. Inhibition


Correct Option: A
Explanation:

Activation is the term used to describe the process by which a catalyst increases the rate of a chemical reaction.

What is the term used to describe the process by which a catalyst decreases the rate of a chemical reaction?

  1. Activation

  2. Deactivation

  3. Catalysis

  4. Inhibition


Correct Option: B
Explanation:

Deactivation is the term used to describe the process by which a catalyst decreases the rate of a chemical reaction.

What is the term used to describe a substance that increases the rate of a chemical reaction without being consumed in the reaction?

  1. Catalyst

  2. Inhibitor

  3. Activator

  4. Deactivator


Correct Option: A
Explanation:

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the reaction.

What is the term used to describe a substance that decreases the rate of a chemical reaction without being consumed in the reaction?

  1. Catalyst

  2. Inhibitor

  3. Activator

  4. Deactivator


Correct Option: B
Explanation:

An inhibitor is a substance that decreases the rate of a chemical reaction without being consumed in the reaction.

What is the term used to describe a colloidal system in which the dispersed phase is a solid and the dispersion medium is a liquid?

  1. Sol

  2. Gel

  3. Emulsion

  4. Foam


Correct Option: A
Explanation:

A sol is a colloidal system in which the dispersed phase is a solid and the dispersion medium is a liquid.

What is the term used to describe a colloidal system in which the dispersed phase is a liquid and the dispersion medium is a gas?

  1. Sol

  2. Gel

  3. Emulsion

  4. Foam


Correct Option:
Explanation:

An aerosol is a colloidal system in which the dispersed phase is a liquid and the dispersion medium is a gas.

What is the term used to describe a colloidal system in which the dispersed phase is a gas and the dispersion medium is a liquid?

  1. Sol

  2. Gel

  3. Emulsion

  4. Foam


Correct Option: D
Explanation:

A foam is a colloidal system in which the dispersed phase is a gas and the dispersion medium is a liquid.

What is the term used to describe a colloidal system in which the dispersed phase and the dispersion medium are both liquids?

  1. Sol

  2. Gel

  3. Emulsion

  4. Foam


Correct Option: C
Explanation:

An emulsion is a colloidal system in which the dispersed phase and the dispersion medium are both liquids.

What is the term used to describe a colloidal system in which the dispersed phase and the dispersion medium are both solids?

  1. Sol

  2. Gel

  3. Emulsion

  4. Foam


Correct Option: B
Explanation:

A gel is a colloidal system in which the dispersed phase and the dispersion medium are both solids.

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