CBSE Class 12 Chemistry Sample Paper 2021 Set A

Chemistry
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Read and download PDF of CBSE Class 12 Chemistry Sample Paper 2021 Set A designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Chemistry Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Chemistry Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Chemistry Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Chemistry Pdf

Students can refer to the below Class 12 Chemistry Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Chemistry Sample Paper 2021 Set A

Chemistry Class 12 Sample Paper

Pick out the correct option:
 
1 The weakest intermolecular force is present in
a) Thermoplastics
b) Fibers
c) Elastomers
d) Thermosetting plastics
 
2 Among the following, which is classified as neurologically active drugs?
a) Antiseptic
b) Analgesic
c) Antifertility
d) Antacids
 
3 The molal depression constant depends on
a) Nature of solvent
b) Nature of solute
c) Vapour pressure of solution
d) Number of particles formed in the solution
 
4 Which of the following solutions behave ideally?
a) Benzene and toluene
b) Ethanol and acetone
c) Carbon dis sulphide and acetone
d) Phenol and aniline
 
5 Artificial sweetener that has its use limited to cold food is
a) Saccharin
b) Sucralose
c) Alitame
d) Aspartame
 
6 To a Daniel cell, if an external voltage of 1.1V is applied
a) Electrons flow from zinc to copper and current flows from copper to zinc
b) Electrons flow from copper to zinc and current flows from zinc to copper
c) No flow of electrons or current
d) Zinc dissolves at anode and copper deposits at cathode
7 Phosgene is
a) Chloroform
b) Carbonyl chloride
c) Iodoform
d) Methylene chloride
 
8 Which of the following metals is obtained by leaching the ore with dilute cyanide solution?
a) Silver
b) Titanium
c) Nickel
d) Aluminium
 
9 The following cannot be used to prevent corrosion
a) Bisphenol
b) Tin
c) Zinc
d) Carbon steel
 
10 In an electrochemical cell
a) Potential energy is converted to chemical energy
b) Chemical energy is converted to potential energy
c) Chemical energy is converted into electric energy
d) Electrical energy is used to carry out a chemical reaction in the cell.
 
Fill in the blanks:
 
11 Carbon attached to four different atoms/groups is called………… 
 
12 ------detergent has germicidal properties. 
 
13 Purest form of iron is……… 
 
14 ------is added to raw rubber (to form crosslinks) along with other appropriate additives to form vulcanized rubber.
 
15 Constant boiling mixtures are termed as…….. 
Answer the following questions:
 
16 Arrange the following in order of increasing reactivity in nucleophilic substitution reaction:
CH3F, CH3I, CH3Br, CH3Cl
 
17 Give one advantage of H2-O2 fuel cell. 
 
18 Draw the structure of 4-methoxy acetophenone. 
 
19 How is KH of a gas in a liquid related to its solubility? 
 
20 What are the main constituents of Dettol? 
 
21 Write the reaction taking place at the anode and cathode of lead storage battery.
OR
a) What is the role of salt bridge?
b) Predict the product of electrolysis of aqueous solution of silver nitrate using silver lectrodes.
 
22 What are biodegradable polymers? Name the monomers of a biodegradable polyamide. 
 
23 What is the role of
a) Sodium cyanide in the froth floatation process
b) Calcium oxide in the extraction of iron from its ore?
 
24 Give reason
a) Vinyl halides are inert to nucleophilic substitution reaction
b) (dl)-butan-2-ol is optically inactive
 
25 Convert
a) Benzene to biphenyl
b) 2-Bromopropane to 1-Bromopropane
 
26 a) Give a chemical test to distinguish between
2-Methylpropanol and 2-Methyl propan-2-ol.
b) Write the IUPAC name of o-cresol.
 
27 A solution was formed by mixing chloroform with acetone.
a) Identify the type of deviation shown by this solution? Give reason for your choice.
b) Give one characteristic of this type of solution.
OR
i) Define reverse osmosis.
ii) What happens when red blood cells are placed in 0.5% sodium chloride solution?
 
28 Write the structure of repeating monomeric unit of
a) Terylene
b) Neoprene
c) Teflon
 
29 a) What are enantiomers?
Draw the structures of the possible enantiomers of 3-Methylpent-1-ene.
b) State Saytzeff rule.
 
30 Write the mechanism of dehydration of ethanol at 443K. 
 
31 Mention the action of the following on human body in bringing relief from a disease
a) Brompheniramine
b) Aspirin
c) Equanil
OR
Explain the following with an example
i. Antacids
ii. Disinfectant
iii. Narrow spectrum antibiotics
 
32 Explain
a) Mond’s process
b) Zone refining
c) Column chromatography for purification of rare elements.
 
33 How many mL of 0.1M HCl is required to react completely with 1g mixture of sodium carbonate and sodium hydrogen carbonate containing equimolar amounts of the two?
OR
Calculate the mass of a non-volatile solute (molar mass 40g/mol) which should be dissolved in 114g octane (molar mass 114 g/mol) to reduce the vapour pressure to 80%.
 

Please click on below link to download CBSE Class 12 Chemistry Sample Paper 2021 Set A

2024
CBSE Class 12 Chemistry Sample Paper 2024
2023
CBSE Class 12 Chemistry Sample Paper 2023
2022
CBSE Class 12 Chemistry Sample Paper 2022 Set A Solved
CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved
CBSE Class 12 Chemistry Sample Paper 2022 Set C
2021
CBSE Class 12 Chemistry Sample Paper 2021 Set A
CBSE Class 12 Chemistry Sample Paper 2021 Set B
CBSE Class 12 Chemistry Sample Paper 2021 Solved Set A
CBSE Class 12 Chemistry Sample Paper 2021 Solved Set B
CBSE Class 12 Chemistry Sample Paper 2021 Solved Set C
2020
CBSE Class 12 Chemistry Boards 2020 Sample Paper Solved
CBSE Class 12 Chemistry Sample Paper 2020 Solved Set A
CBSE Class 12 Chemistry Sample Paper 2020 Solved Set B
CBSE Class 12 Chemistry Sample Paper 2020 Solved Set C
2019
CBSE Class 12 Chemistry Sample Paper 2019 Solved
2018
CBSE Class 12 Chemistry Sample paper 2018 Set A
CBSE Class 12 Chemistry Sample paper 2018 Set B
2017
CBSE Class 12 Chemistry Sample paper 2017 Set A
CBSE Class 12 Chemistry Sample paper 2017 Set B
CBSE Class 12 Chemistry Sample paper 2017 Set C
CBSE Class 12 Chemistry Sample paper 2017 Set D
CBSE Class 12 Chemistry Sample paper 2017 Solved Set A
2015
CBSE Class 12 Chemistry Sample paper 2015 Set A
CBSE Class 12 Chemistry Sample paper 2015 Set B
CBSE Class 12 Chemistry Sample paper 2015 Set C
CBSE Class 12 Chemistry Sample paper 2015 Set D
CBSE Class 12 Chemistry Sample paper 2015 Solved Set A
CBSE Class 12 Chemistry Sample paper 2015 Solved Set B
CBSE Class 12 Chemistry Sample paper 2015 Solved Set C
CBSE Class 12 Chemistry Sample paper 2015 Solved Set D
CBSE Class 12 Chemistry Sample paper 2015 Solved Set E
2014
CBSE Class 12 Chemistry Sample paper 2014 Set A
CBSE Class 12 Chemistry Sample paper 2014 Set B
CBSE Class 12 Chemistry Sample paper 2014 Set C
CBSE Class 12 Chemistry Sample paper 2014 Set D
CBSE Class 12 Chemistry Sample paper 2014 Set E
CBSE Class 12 Chemistry Sample paper 2014 Set F
CBSE Class 12 Chemistry Sample paper 2014 Set G
CBSE Class 12 Chemistry Sample paper 2014 Set Solved A
2013
CBSE Class 12 Chemistry Sample paper 2013 Set A
CBSE Class 12 Chemistry Sample paper 2013 Set B
CBSE Class 12 Chemistry Sample paper 2013 Set C
CBSE Class 12 Chemistry Sample paper 2013 Set D
CBSE Class 12 Chemistry Sample paper 2013 Set E
CBSE Class 12 Chemistry Sample paper 2013 Set F
CBSE Class 12 Chemistry Sample paper 2013 Set G
2012
CBSE Class 12 Chemistry Sample paper 2012 Set A
CBSE Class 12 Chemistry Sample paper 2012 Set B
CBSE Class 12 Chemistry Sample paper 2012 Set C
CBSE Class 12 Chemistry Sample paper 2012 Set D
CBSE Class 12 Chemistry Sample paper 2012 Set E
CBSE Class 12 Chemistry Sample paper 2012 Set F
CBSE Class 12 Chemistry Sample paper 2012 Set G
CBSE Class 12 Chemistry Sample paper 2012 Solved Set A
CBSE Class 12 Chemistry Sample paper 2012 Solved Set B
CBSE Class 12 Chemistry Sample paper 2012 Solved Set C
2011
CBSE Class 12 Chemistry Sample paper 2011 Set A
CBSE Class 12 Chemistry Sample paper 2011 Set B
CBSE Class 12 Chemistry Sample paper 2011 Set C
CBSE Class 12 Chemistry Sample paper 2011 Set D
CBSE Class 12 Chemistry Sample paper 2011 Solved Set A
CBSE Class 12 Chemistry Sample paper 2011 Solved Set B
CBSE Class 12 Chemistry Sample paper 2011 Solved Set C
2010
CBSE Class 12 Chemistry Sample paper 2010 Set A
CBSE Class 12 Chemistry Sample paper 2010 Solved Set A
2009
CBSE Class 12 Chemistry Sample paper 2009 Solved Set A
CBSE Class 12 Chemistry Sample paper 2009 Solved Set B
* More Sample Papers
CBSE Class 12 Chemistry Sample Paper Set A
CBSE Class 12 Chemistry Sample Paper Set B Solved
CBSE Class 12 Chemistry Sample Paper Set C Solved
CBSE Class 12 Chemistry Sample Paper Set D Solved

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Sample Paper Chemistry Class 12

We hope you liked the above provided CBSE Class 12 Chemistry Sample Paper 2021 Set A. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to refer to CBSE Class 12 Chemistry Sample Paper 2021 Set A that we have provided above. Students can download the Sample Paper for Class 12 Chemistry which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 12 Chemistry Sample Paper 2021 Set A for Class 12 Chemistry you will easily understand the way examination Sample Paper are set by teachers.

Class 12 Chemistry Sample Paper

The latest Sample Paper CBSE Class 12 Chemistry Sample Paper 2021 Set A covers all the topics which have been suggested by CBSE in their Class 12 Chemistry syllabus for the current year. By doing CBSE Class 12 Chemistry Sample Paper 2021 Set A you will understand the regular questions and MCQ questions for Class 12 Chemistry which are always asked and learn them so that you can get full marks in those questions.

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Chemistry Sample Paper Class 12 with Solutions

We have provided CBSE Class 12 Chemistry Sample Paper 2021 Set A with solutions. You will be able to understand the type of answers which you should write in Class 12 Chemistry exams to score good marks. You should attempt all the last year question paper for Class 12 and Class 12 Chemistry MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 12 Chemistry set their questions in the exams.

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