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.

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Sample questions

  1. 1.A solution of common salt when added to silver nitrate solution yields a precipitate of silver chloride. Calculate the mass of silver chloride precipitated when 5.85 g of sodium chloride reacts with excess silver nitrate. (Na = 23, Cl = 35.5, Ag = 108, N = 14, O = 16)
    • A.5.85 g
    • B.14.35 g
    • C.28.7 g
    • D.7.175 g
  2. 2.Calculate the mass and volume of oxygen at STP, which will be evolved on electrolysis of 1 mole (18 g) of water.
  3. 3.A hydrocarbon of vapour density 15 has 80% Carbon. Calculate the molecular formula of the Hydrocarbon.
  4. 4.Assertion: The molar volume of a gas at STP is 22.4 liters. Reason: Molar volume is the volume occupied by one mole of a gas at standard temperature and pressure. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (c) Assertion is true, but reason is false. (d) Assertion is false, but reason is true.
    • A.Both assertion and reason are true and reason is the correct explanation of assertion.
    • B.Both assertion and reason are true, but reason is not the correct explanation of assertion.
    • C.Assertion is true, but reason is false.
    • D.Assertion is false, but reason is true.
  5. 5.The mass of 5.6 dm³ of a certain gas at STP is 12.0 g. What is the relative molecular mass of the gas?
    • A.24 a.m.u.
    • B.36 a.m.u.
    • C.48 a.m.u.
    • D.60 a.m.u.

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