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Chemistry is a core component of the General Science section in Kerala PSC exams, testing knowledge of elements, compounds, reactions, and their everyday applications. Since chemistry concepts are rule-based and fixed, this section offers strong scoring potential for aspirants who practice systematically. This blog covers Kerala PSC Chemistry Model Questions 2026, along with topic-wise practice sets and preparation strategies for LD Clerk, Secretariat Assistant, Degree Level, VEO, and Police Constable exams.
Download Kerala PSC Previous Year Question Papers
Kerala PSC Chemistry Syllabus 2026 – Key Topics Covered
- Atomic Structure – Atoms, molecules, atomic number, mass number
- Periodic Table – Classification of elements, periods, and groups
- Chemical Bonding and Reactions – Types of bonds, oxidation, reduction
- Acids, Bases, and Salts – pH scale, common acids and bases, neutralization
- Metals and Non-Metals – Properties, extraction, alloys
- Carbon and its Compounds – Organic chemistry basics, hydrocarbons
- Everyday Chemistry – Household chemicals, chemical reactions in daily life
- Environmental Chemistry – Pollution, greenhouse gases, water treatment
Kerala PSC Chemistry Questions 2026 – Download 50 Model MCQs PDF
1: Which Year First Assembly Election was held in Kerala?
Prepare for the Kerala PSC exam with this Chemistry Model Questions PDF, featuring 50 important MCQs with answers based on the latest syllabus. The practice set covers elements and compounds, acids, bases and salts, the periodic table, metals and non-metals, carbon compounds, chemical reactions, and everyday chemistry. Download the PDF now!
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Join Now!Why Chemistry Questions Matter in Kerala PSC Exams
Kerala PSC Chemistry questions are largely drawn from school-level concepts covering the periodic table, chemical reactions, and their applications in daily life. Since these fundamentals don’t change over time, previous year questions frequently repeat in similar patterns, making this section highly predictable with the right preparation approach.
| Exam Category | Approx. Chemistry Questions | Difficulty Level |
|---|---|---|
| LD Clerk / LGS | 3–5 | Easy to Moderate |
| Secretariat Assistant | 4–6 | Moderate |
| Degree Level Prelims | 5–8 | Moderate to Difficult |
| VEO / Village Extension Officer | 3–5 | Easy to Moderate |
| Police Constable | 3–5 | Easy |
Kerala PSC Chemistry 2026 Model Questions & Answers – Get Sample MCQs
1. Atomic Structure
Q1. The number of protons in an atom is called its:
(a) Mass number
(b) Atomic number
(c) Valency
(d) Atomic weight
Answer: (b)
Q2. Isotopes of an element have the same number of:
(a) Neutrons
(b) Protons
(c) Nucleons
(d) Electrons and neutrons
Answer: (b)
2. Periodic Table
Q3. The modern periodic table is arranged based on:
(a) Atomic mass
(b) Atomic number
(c) Valency
(d) Density
Answer: (b)
Q4. Who is known as the father of the periodic table?
(a) Antoine Lavoisier
(b) Dmitri Mendeleev
(c) John Newlands
(d) Henry Moseley
Answer: (b)
3. Chemical Bonding and Reactions
Q5. The type of bond formed by the transfer of electrons is called:
(a) Covalent bond
(b) Ionic bond
(c) Metallic bond
(d) Hydrogen bond
Answer: (b)
Q6. Rusting of iron is an example of:
(a) Reduction
(b) Oxidation
(c) Neutralization
(d) Sublimation
Answer: (b)
4. Acids, Bases, and Salts
Q7. The pH value of a neutral solution is:
(a) 0
(b) 7
(c) 14
(d) 10
Answer: (b)
Q8. Which of the following is used as an antacid to treat acidity?
(a) Sodium chloride
(b) Sodium bicarbonate
(c) Sodium nitrate
(d) Sodium sulphate
Answer: (b)
5. Metals and Non-Metals
Q9. Which metal is liquid at room temperature?
(a) Sodium
(b) Mercury
(c) Gallium
(d) Bromine
Answer: (b)
Q10. The most abundant metal in the Earth’s crust is:
(a) Iron
(b) Copper
(c) Aluminium
(d) Zinc
Answer: (c)
6. Carbon and its Compounds
Q11. The purest form of carbon is:
(a) Graphite
(b) Charcoal
(c) Diamond
(d) Coke
Answer: (c)
Q12. Natural gas mainly consists of:
(a) Ethane
(b) Methane
(c) Propane
(d) Butane
Answer: (b)
7. Everyday Chemistry
Q13. The chemical used for water purification in municipal supply is:
(a) Sodium chloride
(b) Chlorine
(c) Calcium carbonate
(d) Ammonia
Answer: (b)
8. Environmental Chemistry
Q14. Which gas is the primary contributor to global warming?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Hydrogen
Answer: (b)
Q15. Acid rain is primarily caused by the presence of which gases in the atmosphere?
(a) Carbon monoxide and methane
(b) Sulphur dioxide and nitrogen oxides
(c) Oxygen and ozone
(d) Hydrogen and helium
Answer: (b)
Preparation Tips for Kerala PSC Chemistry Syllabus 2026
- Master the periodic table basics – Know key elements, their symbols, and properties; this forms the foundation for many recurring questions.
- Link reactions to real-life examples – Understanding rusting, antacids, and water purification makes recall easier under exam pressure.
- Create a formula and reaction notebook – Note down important chemical names, formulas, and their common uses for quick revision.
- Revise previous year PSC chemistry questions – Questions on pH, acids-bases, and carbon compounds frequently repeat in similar forms.
- Practice topic-wise before combined tests – Strengthen one area (like metals or acids-bases) before attempting mixed general science mock tests.
Kerala PSC Chemistry questions evaluate both conceptual understanding and practical application of scientific principles. With regular practice and a strong grasp of high-weightage topics such as the periodic table, chemical reactions, acids and bases, and everyday chemistry, candidates can turn this section into a high-scoring part of the exam.
Enhance your Kerala PSC Chemistry preparation with the Entri App. Get access to topic-wise Chemistry practice questions, detailed solutions, mock tests, and study materials designed according to the latest Kerala PSC exam pattern. Download the Entri App today and take your Chemistry preparation to the next level for Kerala PSC exams 2026.





