ICSE Class 10 Chemistry Sample Paper 2026 by Experts: Practice for Last Minute Revision

ICSE Class 10 Chemistry (Science Paper 2) expert-curated sample papers helps build the foundation for the subject and help in revising well for the exam. These practice papers, which are designed to replicate the official 80 Mark theory structure, helps students in mastering the balance of Section A's 15 required MCQs and Section B's structured long-answer questions. 

This last-minute preparation tool focuses on high-weightage topics such as Organic Chemistry, the Study of Compounds, and Mole Concept, allowing students to refine their equation-balancing skills and practice chemical reactions required to score well in the exam. From the article students can find sample paper questions prepared by experts and other important details to help prepare for the exam.

ICSE Class 10 Chemistry Exam 2026: Key Highlights 

Students can find relevant exam details from the table shared below. 

ICSE Class 10 Chemistry Exam Pattern 2026 (Unit-Wise Weightage)

Shared here are key details for ICSE class 10 Chemistry exam pattern 2026, unit wise weightage topics and paper structure to help understand the question paper format and marking style.

Theory Paper Structure 

Unit-Wise Marks Distribution

ICSE Class 10 Chemistry Sample Paper 2026

Given here are sample question prepared by subject matter experts.The questions follows ICSE class 10 2026 paper structure and provides important questions to help practice for the exam well.

Section A (40 Marks)

Attempt all questions from this section.

Question 1: Multiple Choice (15 Marks)

(i) Unsaturated hydrocarbons undergo:

(a) Addition reaction (b) Substitution reaction

(c) Oxidation reaction (d) Redox reaction

ii) The metal hydroxide which reacts with both acids and alkalis to form salt and water is:

(a) Calcium hydroxide

(b) Magnesium hydroxide

(c) Aluminium hydroxide

(d) Ferric hydroxide

iii) The oxidising agent in the equation, S + 2H2SO4 3SO2 + 2H2O is:

(a) Sulphur

(b) Sulphuric acid

(c) Sulphur dioxide

(d) Water

iv) On passing ammonia gas over heated copper oxide for some time, a reddish-brown residue is left

behind. What property of ammonia is demonstrated here?

(a) Basic property

(b) Oxidising property

(c) Reducing property

(d) Acidic property

v) An aqueous solution of copper sulphate turns colourless on electrolysis. Which of the following could be the electrodes? 

P. anode: copper; cathode: copper 

Q. anode: platinum; cathode: copper 

R. anode: copper; cathode: platinum 

(a) only P 

(b) only Q 

(c) only R 

(d) both Q and R

vi) Assertion (A): Dry hydrogen chloride gas is collected by the upward displacement of air.

Reason (R): Hydrogen chloride gas is lighter than air. 

(a) Both A and R are true and R is the correct explanation of A 

(b) Both A and R are true but R is not the correct explanation of A 

(c) A is true but R is false 

(d) A is false but R is true

vii) Which of the following electronic configuration represents the most electropositive element? 

(a) 2,1 

(b) 2, 8, 1 

(c) 2,2 

(d) 2,8, 2

viii) In the molecule of water, oxygen atom has:

(a) One shared pair of electrons.

(b) Three shared pair of electrons.

(c) Two lone pairs of electrons.

(d) One lone pair of electrons

ix) Match the column A with Column B:

(a) Water                        1. Lithium

(b) Alkali metal               2. Iodine

(c) Halogen                    3. Covalent compound

(d) Calcium oxide           4. Acetic acid

(e) Weak acid                 5. Ionic compound

x) Complete the following sentence by choosing the correct answer from the brackets:

(a) The salt that can be prepared by Direct Combination is ................. . [FeCl3/FeCl2] 

(b) The metallic oxide which can be reduced by using common reducing agents is .................. .[Fe2O3/Al2O3] 

(c) The metal nitrate which on thermal decomposition forms a black residue is ................ .[zinc nitrate/copper nitrate] 

(d) During the electrolysis of copper sulphate solution, if ................ is used as electrode, the colour of the electrolyte does not fade.[copper/ platinum] 

(e) The process of heating the concentrated ore in a limited supply or absence of air is ................ .[roasting/calcination]

xi) Match the following Column A with Column B: 

(a) Aluminium                         1. Covalent compound  

(b) Sulphuric acid                   2. Carbonate ore  

(c) Calcination                        3. Hall Heroult's process  

(d) Calcium Chloride              4. Contact Process  

(e) Carbon tetrachloride         5. Electrovalent compound  

State the terms for the following: [5] 

xii) (a) The group obtained by removing one hydrogen atom from the parent alkane. 

(b) Two metal plates or wires through which the current enters and leaves the electrolytic cell.

(c) The amount of substance which contains the same number of units as the number of atoms in carbon-12. 

(d) The tendency of an atom to pull a shared pair of electrons towards itself in a compound.

SECTION – B (40 Marks) (Attempt any four questions from this Section)

xiii) Identify only the anion present in the following compound: 

(a) The compound on heating produces a colourless, odourless gas which turns lime water milky and has no effect on acidified potassium dichromate solution. 

(b) The solution of the compound which on treating with concentrated sulphuric acid and freshly prepared ferrous sulphate solution produces a brown ring.

xiv) Define the following terms: 

(a) Molar volume 

(b) Normal salt 

(ii) Draw the electron dot structure of: 

(a) Methane molecule 

(b) Nitrogen molecule [Atomic number: N = 7, C = 6, H = 1]

xv) Name the main metal used in making of alloys given below: 

(a) Duralumin 

(b) Stainless steel 

xvi) Differentiate between the following pairs based on the criteria given: 

(a) Sulphuric acid and Nitric acid (using barium chloride solution) 

(b) Unsaturated and Saturated hydrocarbons (type of bond present)

xvii) The following questions relate to the extraction of Aluminium by electrolysis: 

(a) Name the other aluminium containing compound added to alumina. 

(b) Give a balanced equation for the reaction that takes place at the cathode. 

xviii) Pratik heated 11.2 grams of element 'M' (atomic weight 56) with 4.8 grams of element 'N' (atomic weight 16) to form a compound. Find the empirical formula of the compound obtained by Pratik.

xix) Rita was given an unknown salt for identification. She prepared a solution of the salt and divided it into two parts. 

• To the first part of the salt solution, she added a few drops of ammonium hydroxide and obtained a reddish-brown precipitate. 

• To the second part of the salt solution, she added a few drops of silver nitrate solution and obtained a white precipitate. 

xx) Name: (a) the cation present and (b) the anion present in the salt given for identification. 

(ii) Fill in the blanks by choosing the correct answer from the bracket: [2] 

(a) Carbon tetrachloride is a ................ [polar/nonpolar] covalent molecule. 

(b) During electrolysis of acidulated water, the gas liberated at the anode is ................ [oxygen/ hydrogen].

xxi) Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride. 

(a) Give balanced chemical equation for the above reaction.

(b) State the method of collection of the gas formed above. 

(c) What is property of sulphuric acid that makes it a suitable reagent for the reaction.