ICSE Class 10

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

  1. 1.Barium chloride crystals contain 14.8% water of crystallisation. Find the number of molecules of water of crystallisation per molecule.
  2. 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)?
  3. 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
  4. 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.
  5. 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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