ICSE Class 10 Chemistry — Guess Paper & Important Questions 2027
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Everything for Chemistry in one place — guess paper, important questions and chapter-wise important topics for the 2027 exam, from analysis of 4 board + 5 official sample papers (2023–2027).
Guess Paper 2027
A full 36-question paper on the official pattern, built from the most-likely questions.
Open guess paper PDFImportant Questions
93 question patterns that have repeated across past papers.
See repeated questions PDFImportant Topics
Every chapter’s topics ranked by how often and how recently they were asked.
See important topicsTop 5 topics
| # | Topic | Chapter | Importance |
|---|---|---|---|
| 1 | distinguishing metals / salts by chemical tests | Analytical Chemistry | ★★★★★ |
| 2 | structural formula and IUPAC naming | Organic Chemistry | ★★★★☆ |
| 3 | composition of alloys | Metallurgy | ★★★★☆ |
| 4 | pH scale and acid / base behaviour | Study of Acids, Bases and Salts | ★★★★☆ |
| 5 | mole-mass-volume stoichiometry | Mole Concept and Stoichiometry | ★★★★☆ |
ICSE Class 10 Chemistry exam pattern 2027
Key facts
- Maximum marks: 80
- Duration: 2 hours
- Sections: 2 (A, B)
- Exam: 2027 ICSE Class 10 board exam
| Section | What is asked | Marks |
|---|---|---|
| A | Compulsory. Q1 is fifteen multiple-choice questions (1 mark each); the remaining questions are short-answer, fill-in-the-blank, match-the-column, reasoning and short numerical parts. | 40 |
| B | Attempt any four of the seven questions; each question is about 10 marks made up of short derivations, equations, numericals and reasoning sub-parts. | 40 |
ICSE Class 10 Chemistry chapter-wise weightage 2027
| Unit | Chapters | Marks |
|---|---|---|
| Periodic Table and Chemical Bonding | Periodic Properties and Variations of Properties, Chemical Bonding | 14 |
| Acids, Bases, Salts and Analytical Chemistry | Study of Acids, Bases and Salts, Analytical Chemistry | 14 |
| Mole Concept and Stoichiometry | Mole Concept and Stoichiometry | 10 |
| Electrolysis and Metallurgy | Electrolysis, Metallurgy | 16 |
| Study of Compounds | Study of Compounds - Hydrogen Chloride, Study of Compounds - Ammonia, Study of Compounds - Nitric Acid, Study of Compounds - Sulphuric Acid | 16 |
| Organic Chemistry | Organic Chemistry | 10 |
Unit marks as given in the official syllabus.
Frequently asked questions
Is this the real ICSE Class 10 Chemistry guess paper 2027?
No. It is a practice guess paper built by analysing which questions and topics repeat across 4 board + 5 official sample papers (2023–2027) for ICSE Class 10 Chemistry. It follows the latest official exam pattern but is not an official or leaked paper.
What is the ICSE Class 10 Chemistry exam pattern for 2027?
The ICSE Class 10 Chemistry 2027 paper is 80 marks and 2 hours long, in 2 sections: Section A — Compulsory; Section B — Attempt any four of the seven questions; each question is about 10 marks made up of short derivations, equations, numericals and reasoning sub-parts. Highest-weightage units: Electrolysis and Metallurgy (16 marks), Study of Compounds (16 marks), Periodic Table and Chemical Bonding (14 marks).
How many questions repeat in ICSE Class 10 Chemistry?
We found 93 question patterns that appeared in two or more of the analysed papers (4 board + 5 official sample papers). The most-repeated ones are listed on the Important Questions page.
What are the most important topics for ICSE Class 10 Chemistry 2027?
The top topics by repetition are distinguishing metals / salts by chemical tests; structural formula and IUPAC naming; composition of alloys. The full ranked list is on the Important Topics page.
Where can I see the ICSE Class 10 Chemistry guess paper?
The full 36-question guess paper is on the Guess Paper page — free to view, with each question tagged by chapter and how often it has appeared in past papers.