CBSE Class 12 Chemistry Surface Chemistry Notes and Questions

Read and download free pdf of CBSE Class 12 Chemistry Surface Chemistry Notes and 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

The branch of the Chemistry wich deals with the study of surface phenomena is called surface Chemistry.

POINTS TO BE REMEMBERED: ---

1. Adsorption: - The accumulation of molecules species at the surface rather in the bulk of a solid or liquid is termed adsorption.
2. Desorption:-Removal of adsorbate from the surface of adsorbent is known as Desorption.
3. Sorption:-When adsorption and absorption both takes place simultaneously.
4. Type of adsorption: - On the basis of interaction between adsorption and absorption, adsorbate are of two types:
(i) Physical adsorption/physisorption: - When weak vander waal interaction involve between adsorbate and adsorbent.
(ii) Chemical adsorption/chemisortion:-When chemical bonds form between adsorbate and adsorbent.
5. Adsorption isotherm:-The variation in the amount of gas adsorbed by the adsorbent with pressure at constant temperature can be expressed by means of a curve termed as adsorption isotherm.
6. Application of adsorption:-
(a) Removal of colouring matter from solution using animal charcoal.
(b)Chromatographic analysis is based on adsorption.
7. Freundlich adsorption isotherm:-It is a graph which shows relationship between the quality of gas adsorbed by unit mass of solid adsorbent and pressure at a particular temperature.
 
 
CBSE Class 12 Chemistry Surface Chemistry Notes and Questions
Surface Chemistry
 
8 .Factors affecting adsorption:-

(i)Surface area: - Adsorption increases with increases of surface area of adsorbent.

(ii)Nature of adsorbate:- Easily liquefiable gases are readily adsorbed.

(iii)Temperature:-Low temperature is favorable for physical adsorption and High temperature for chemisortion.

(iv)Pressure: - Pressure increases, adsorption increases.

9. CATALYSIS:- Substances which alter the rate of chemical reaction and themselves remain chemically and quantitatively unchanged after the reaction are known as catalyst and the phenomenon is known as catalysis.

10. PROMOTERS AND POISONS Promoters are substance that enhance the activity of catalyst while poisons decrease

the activity of catalyst.
 Surface Chemistry

Please refer to more CBSE Class 12 Chemistry Surface Chemistry Notes and 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

All questions and their answers for the assignment given above for Class 12 Chemistry have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 12 can rest assured that the best teachers have designed the questions of Chemistry so that you are able to revise the entire syllabus if you do the assignments. Lot of MCQ questions for Class 12 Chemistry have also been given in the worksheets and assignments for regular use. All study material for Class 12 Chemistry students have been given on studiestoday.

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 assignments for Unit 05 Surface Chemistry Class 12 Chemistry for have been made based on which syllabus

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

All topics given in Unit 05 Surface Chemistry Chemistry Class 12 Book for the current academic year have been covered in the given assignment

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Latest syllabus issued for current academic year by CBSE has been used to design assignments for Class 12

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Yes, we have given practice assignments for all important topics given in Unit 05 Surface Chemistry