ICSE Class 10 Mole Concept and Stoichiometry — Mock Test (2027)
Free online mock test for Mole Concept and Stoichiometry (ICSE Class 10 Chemistry) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Mole Concept and Stoichiometry chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Barium chloride crystals contain 14.8% water of crystallisation. Find the number of molecules of water of crystallisation per molecule.
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2.What is the volume at S.T.P. (i) in millilitres of 0.01 mole of Hexane gas (C₆H₁₄)? (ii) in litres of 5 moles of Butane gas (C₄H₁₀)? (iii) in millilitres of 0.2 mole of Benzene gas (C₆H₆)?
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3.A compound is formed by 24 g of X and 64 g of oxygen. If the atomic mass of X = 12 and O = 16, what is the simplest formula of the compound?
- A.XO
- B.XO₂
- C.X₂O
- D.X₂O₃
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4.An organic compound contains 4.07% hydrogen, 71.65% chlorine and remaining carbon. Its molar mass is 98.96. Find its: (a) Empirical formula, (b) Molecular formula.
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5.Ordinary chlorine gas has two isotopes ³⁵Cl and ³⁷Cl in the ratio of 3:1. What is the relative atomic mass of chlorine?
- A.35.0
- B.35.5
- C.36.0
- D.37.0
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