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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1.12 ml of Carbon monoxide and 8 ml of Hydrogen burn in Oxygen according to the equations given below to form Carbon dioxide and Water vapour respectively. Calculate the total volume of Oxygen required. 2CO + O₂ → 2CO₂ 2H₂ + O₂ → 2H₂O
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2.(ii) Find the total percentage of Magnesium in magnesium nitrate crystals, $\mathrm{Mg(NO_3)_2 \cdot 6H_2O}$. $[\mathrm{Mg} = 24; \mathrm{N} = 14; \mathrm{O} = 16$ and $\mathrm{H} = 1]$
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3.Find the empirical formula of the compound with the following percentage composition: Pb = 62.5%; N = 8.5%; O = 29.0%.
- A.PbNO₃
- B.Pb(NO₃)₂
- C.Pb(NO₂)₂
- D.Pb₂(NO₃)₃
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4.Find the total percentage of Magnesium in magnesium nitrate crystals, Mg(NO₃)₂·6H₂O. [Mg = 24; N = 14; O = 16 and H = 1]
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5.What is the percentage composition of nitrogen and oxygen in ammonium nitrate (NH₄NO₃)? [Relative molecular mass of ammonium nitrate is 80, H=1, N=14, O=16]
- A.25% nitrogen, 50% oxygen, 25% hydrogen
- B.35% nitrogen, 60% oxygen, 5% hydrogen
- C.40% nitrogen, 50% oxygen, 10% hydrogen
- D.30% nitrogen, 65% oxygen, 5% hydrogen
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