CBSE Class 12 Chemistry Surface Chemistry Questions

Read and download free pdf of CBSE Class 12 Chemistry Surface Chemistry Questions. Get printable school Assignments for Class 12 Chemistry. Class 12 students should practise questions and answers given here for Unit 05 Surface Chemistry Chemistry in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 12 Chemistry Unit 05 Surface Chemistry

Class 12 Chemistry students should refer to the following printable assignment in Pdf for Unit 05 Surface Chemistry in Class 12. This test paper with questions and answers for Class 12 Chemistry will be very useful for exams and help you to score good marks

Unit 05 Surface Chemistry Class 12 Chemistry Assignment

1. Why does a gas mixed with another gas not form a colloidal system?

2. Why are adsorbate particles attracted and retained on the surface of adsorbent?

3. Explain the terms sorption and desorption.

4. “Chemisorption is highly specific.” Illustrate with an example.

5. “Adsorbents in finely divided form are more effective.” Why?

6. Name two compounds used as adsorbent for controlling humidity.

[Ans. : Silica gel, Alumina gel]

7. Mention one shape selective catalyst used to convert alcohol directly into gasoline.

8. ‘Generally high temperature is favourable for chemisorption.’ Why?

9. Name the catalyst used in the following process :

(a) Haber’s process for the manufacture of NH3 gas.

(b) Ostwald process for the manufacture of nitric acid.

10. Explain the relationship given by Freundlich in adsorption isotherm.

11. Which group elements show maximum catalytic activity for hydrogenation reactions?

[Hint : 7–9 group elements]

12. Why gas masks are used by miners in coal mines while working?

13. Write the chemical reaction involved in the preparation of sulphur sol.

14. Name the enzyme which converts milk into curd. [Ans. : lactobacilli]

VSA QUESTIONS (1 - MARK QUESTIONS)

1. Why does a gas mixed with another gas not form a colloidal system?
 
2. Why are adsorbate particles attracted and retained on the surface of adsorbent?
 
3. Explain the terms sorption and desorption.
 
4. “Chemisorption is highly specific.” Illustrate with an example.
 
5. “Adsorbents in finely divided form are more effective.” Why?
 
6. Name two compounds used as adsorbent for controlling humidity.
 
[Ans. : Silica gel, Alumina gel]
 
7. Mention one shape selective catalyst used to convert alcohol directly into gasoline.
 
8. ‘Generally high temperature is favourable for chemisorption.’ Why?
 
9. Name the catalyst used in the following process :
 
(a) Haber’s process for the manufacture of NH3 gas.
 
(b) Ostwald process for the manufacture of nitric acid.
 
10. Explain the relationship given by Freundlich in adsorption isotherm.
 
11. Which group elements show maximum catalytic activity for hydrogenation reactions?
 
[Hint : 7–9 group elements]
 
12. Why gas masks are used by miners in coal mines while working?
 
13. Write the chemical reaction involved in the preparation of sulphur sol.
 
14. Name the enzyme which converts milk into curd. [Ans. : lactobacilli]
 

Please refer to the link below for CBSE Class 12 Chemistry Surface Chemistry Questions

Unit 12 Aldehydes, Ketones and Carboxylic Acids
CBSE Class 12 Chemistry Aldehydes Ketons Carboxylic Acids Questions

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CBSE Class 12 Chemistry Unit 05 Surface Chemistry Assignment

We hope you liked the above assignment for Unit 05 Surface Chemistry which has been designed as per the latest syllabus for Class 12 Chemistry released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 Chemistry practice sheet in Pdf. All questions have been designed for Chemistry by looking into the pattern of problems asked in previous year examinations. 

Assignment for Chemistry CBSE Class 12 Unit 05 Surface Chemistry

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Unit 05 Surface Chemistry Assignment Chemistry CBSE Class 12

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Unit 05 Surface Chemistry Assignment CBSE Class 12 Chemistry

Regular assignment practice helps to get a more comprehensive understanding of Unit 05 Surface Chemistry concepts. Assignments play a crucial role in understanding Unit 05 Surface Chemistry in CBSE Class 12. Students can download all the assignments of the same chapter in Class 12 Chemistry in Pdf format. You can print them or read them online on your computer or mobile.

CBSE Chemistry Class 12 Unit 05 Surface Chemistry Assignment

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The Unit 05 Surface Chemistry Class 12 Chemistry Assignments have been designed based on latest CBSE syllabus for Class 12 Chemistry issued for the current academic year

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How many topics are covered in Unit 05 Surface Chemistry Chemistry assignments for Class 12

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