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.A gas occupied 360 cm³ at 87°C and 380 mm Hg pressure. If the mass of gas is 0·546 g, find its relative molecular mass.
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2.Find the total percentage of Oxygen in Magnesium Nitrate crystals with the formula Mg(NO₃)₂ · 6H₂O. (H = 1, N = 14, O = 16, Mg = 24)
- A.54.7%
- B.66.2%
- C.75%
- D.84.4%
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3.Determine the molecular formula of a compound with the following percentage composition:
Empirical formula: CuC Empirical formula weight: 76 Molecular weight: 151 What is the molecular formula of the compound?Element % At. wt. Relative no. of atoms Simplest ratio Cu 84.11 64 1.3 1 C 15.89 12 1.3 1 - A.CuC
- B.Cu₂C₂
- C.CuC₂
- D.Cu₃C₃
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4.Calculate the percentage of underlined elements in the following compounds. (H = 1, C = 12, N = 14, O = 16, B = 11, Na = 23, Pt = 195) (i) (NH₄)₂PtCl₆ (ii) Na₂B₄O₇·10H₂O
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5.Calculate the volume of oxygen required to burn completely a mixture of 22.4 dm³ of CH₄ and 11.2 dm³ of H₂. [All volumes being measured at S.T.P.]
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