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Kerala Plus One Chemistry Model Paper 2026-2027: Paper Pattern

Kerala Plus One Chemistry Model Papers provide practice questions from different areas of Chemistry. The model paper carries 60 marks and has four question groups based on 1-mark, 2-mark, 3-mark, and 4-mark questions. Topics include chemical bonding, organic chemistry, equilibrium, thermodynamics, atomic structure and chemical reactions.
authorImageAmit Kumar Singh16 Sept, 2026
Kerala Plus One Chemistry Model Paper

 

Preparing for the Kerala Plus One Chemistry exam can be difficult when students are not familiar with the types of questions and the way marks are distributed. Checking the Kerala Plus One time table can also help students plan their preparation around the exam dates. Practising a model paper can help students understand the question format and identify the areas that require more revision. 

The Kerala Plus One Chemistry Model Paper provides questions from different areas of Chemistry and allows students to practise different question types. The model paper includes questions from topics such as atomic structure, chemical bonding, thermodynamics, equilibrium, organic chemistry and related concepts. Students can use these questions to revise key concepts and become familiar with questions carrying different scores.

Kerala Plus One Chemistry Model Paper Overview

The model paper follows a four-group structure based on the scores assigned to each question. The table below summarises the subject, maximum score and question ranges included in each score category.

Particulars

Details

Subject

Chemistry

Maximum Marks

60

Question Groups

Four

1-mark Questions

Questions 1–5

2-mark Questions

Questions 6–15

3-mark Questions

Questions 16–26

4-mark Questions

Questions 27–31

 

The paper follows different mark categories. Students are required to answer a specified number of questions from each group.

Kerala Plus One Chemistry Model Paper Pattern

The Kerala HSE Chemistry Model Paper has four question groups. Each group carries a different mark for every question.

Question Group

Questions

Score per Question

Questions to Answer

Total Scores

I

1–5

1

4

4

II

6–15

2

8

16

III

16–26

3

8

24

IV

27–31

4

4

16

Total

—

—

—

60

 

The paper includes different types of questions such as definitions, calculations, matching, diagrams, reaction-based questions, explanations and application-based questions.

Also Check: Kerala Plus One Syllabus 2027

Kerala Plus One Chemistry Model Paper Topic Coverage

The Kerala +1 Chemistry Model Paper covers questions from several Chemistry areas. The questions in the source include the following topics:

1. Physical Chemistry Topics

  • Mole concept and calculations

  • Electromagnetic waves

  • Wavelength

  • Atomic structure

  • Quantum numbers

  • Orbitals

  • Ionisation enthalpy

  • Thermodynamics

  • Hess's law

  • Born-Haber cycle

  • Chemical equilibrium

  • Reaction quotient

  • Le Chatelier principle

  • Buffer solutions

  • Oxidation numbers

  • Redox reactions

2. Inorganic Chemistry Topics

  • Periodic properties

  • Ionisation enthalpy

  • Covalent radius

  • Dipole moment

  • Chemical bonding

  • Hybridisation

  • Molecular orbital configuration

  • Bond order

  • Ionic equations

  • Detection of elements using sodium fusion extract

3. Organic Chemistry Topics

  • IUPAC nomenclature

  • Isomerism

  • Ozonolysis

  • Hydrogenation

  • Electrophilic substitution

  • Addition reactions

  • Newman projections

  • Eclipsed and staggered conformations

  • Inductive and electromeric effects

  • Acidity of carboxylic acids

The paper also contains questions involving chemical structures, graphs, molecular orbitals, reaction equations and diagrams.

Kerala Plus One Chemistry Model Paper PDF

Students can use the Kerala HSE+1 Chemistry Model Paper PDF to practise questions from the different score categories. The paper contains 31 questions divided into four groups, with questions carrying 1, 2, 3 and 4 marks.

Kerala Plus One Chemistry Model Paper PDF

How to Use the Kerala Plus One Chemistry Model Paper

Students can use the model paper to practise different Chemistry question formats and revise the topics represented in the paper.

  • Practise questions from each score category.

  • Regular practice can also help students revise concepts, numerical questions, reactions, diagrams and other areas covered in the paper. Students can also refer to the Kerala board holidays list to plan revision sessions during breaks.

  • Practise chemical equations and reactions.

  • Revise definitions and important principles.

  • Work on diagrams and molecular structures.

  • Practise questions based on graphs and tables.

  • Revise organic and inorganic reaction-based questions.

Get Kerala Plus One Chemistry Preparation Support from PW

Students preparing for Plus One Chemistry can use practice-based learning resources to revise concepts and work on different question types. Regular practice can help students become familiar with questions covering different Chemistry topics.

Feature

Details

Practice

Chemistry Practice Questions

Study Material

Chemistry Learning Material

Revision

Topic-based Chemistry Revision

Question Practice

Different Chemistry Question Types

 

Students can explore Kerala Board preparation resources and Chemistry practice material available on the Physics Wallah website.

The Kerala Plus One Chemistry Model Papers provide practice across different Chemistry topics and question formats. Students can use the model paper to understand the distribution of 1-mark, 2-mark, 3-mark and 4-mark questions. Regular practice can also help students revise concepts, numerical questions, reactions, diagrams and other areas covered in the paper. 

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Kerala Plus One Chemistry Model Paper FAQs

What is the conjugate base of water?

The conjugate base of water (H2O) is the hydroxide ion (OH-), formed after water loses a proton.

Why does neon gas exist as monoatomic molecules while nitrogen forms diatomic molecules?

Nitrogen (N2) has a bond order of 3, forming a stable triple bond. Neon (Ne2) has equal bonding and antibonding electrons, yielding a bond order of zero.

Which conformation of ethane is more stable?

The staggered conformation of ethane is more stable than the eclipsed conformation due to minimum torsional strain and electron repulsion.

How does the Kerala Plus One Chemistry Model Question Paper help in exam preparation?

Practising with the Kerala Plus One Chemistry Model Question Paper familiarises students with marking schemes, question types, and recurring high-yield concepts.

How many 4-mark questions are included?

Questions 27 to 31 carry 4 marks each. Students have to answer 4.

Which Chemistry topics are covered in the model paper?

The paper covers areas such as atomic structure, chemical bonding, thermodynamics, equilibrium, organic chemistry, periodic properties and redox reactions.

Does the model paper include numerical questions?

Yes. The paper includes questions involving calculations related to Chemistry concepts.

Does the paper include organic Chemistry questions?

Yes. Questions include IUPAC nomenclature, isomerism, ozonolysis, addition reactions, conformations and organic effects.
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