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Chemistry Compart 2020

The CBSE Class 12 Chemistry Compartment Question Paper 2020 consists of four sections with a total of 37 compulsory questions. Section A includes very short answer questions, Section B contains short answer questions, Section C features long answer type-I questions, and Section D has long answer type-II questions. Internal choices are provided for some questions, and the use of calculators and log tables is prohibited.

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222 views10 pages

Chemistry Compart 2020

The CBSE Class 12 Chemistry Compartment Question Paper 2020 consists of four sections with a total of 37 compulsory questions. Section A includes very short answer questions, Section B contains short answer questions, Section C features long answer type-I questions, and Section D has long answer type-II questions. Internal choices are provided for some questions, and the use of calculators and log tables is prohibited.

Uploaded by

acharyaarkayan4
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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CBSE Class 12 Chemistry Compartment Question Paper 2020 (September 24, Set 1- 56/C/1)

General Instructions:

Read the following instructions very carefully and strictly follow them :

(i) This question comprises four sections


paper - А, B, C аnd D. There are

37 questions in the question paper. All questions are compulsory.

(ii) Section A - Question nos. 1 to 20 are very short answer type questions,
carrying 1 mark each. Answer these questions in one word or one sentence.

(iii) Section B - Question nos. 21 to 27 are short answer type questions, carrying
2 marks each.

(iv) Section C - Question nos. 28 to 34 are long answer type-I questions, carrying
3 marks each.

(v) Section D Question


- nos. 35 to 37 are long answer type-II questions, carrying
5 marks each.

(vi) There is no overall choice in the question paper. However, an internal choice
has been provided in 2 questions of two marks, 2 questions of three marks and
all the 3 questions of five marks. You have to attempt only one of the choices in
such questions.

(vii) In addition to this, separate each section and


question, wherever necessary.

(viii) Use of calculators and log tables is not permitted.

SECTION A

Read the given passage and answer the question numbers 1 to 5 that follow : 1x5=5

A large number of simple molecules called monomers combine together

by the process of polymerisation to form a macromolecule called polymer.

If the repeating structural unit is derived from one type of monomer, the

polymer is called homopolymer. If the repeating structural unit is derived


from two or more monomers, then the polymer is called copolymer.
Homopolymer and copolymer may be formed by addition or condensation

reaction. In view of the general awareness and concern for the problems
created by the polymeric solid wastes, certain new biodegradable
polymers have been developed.

.56/G/1 3 P.T.O.

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