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.(b) (i) 67.2 litres of hydrogen combines with 44.8 litres of nitrogen to form ammonia under specific conditions as: $$\mathrm{N_2(g)} + 3\mathrm{H_2(g)} \rightarrow 2\mathrm{NH_3(g)}$$ Calculate the volume of ammonia produced. What is the other substance, if any, that remains in the resultant mixture?
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2.A mixture of hydrogen and chlorine occupying 36 cm³ was exploded. On shaking it with water, 4 cm³ of hydrogen was left behind. Find the composition of the mixture.
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3.Given the reaction: Mg + H₂SO₄ → MgSO₄ + H₂ + SO₂ (when hot and concentrated). (i) Calculate the mass of pure H₂SO₄ acid needed for the reaction with 60 g of magnesium. Molar mass of Mg = 24 g/mol Molar mass of H₂SO₄ = 98 g/mol (ii) Calculate the volume of SO₂ gas liberated at S.T.P. when 60 g of magnesium reacts with hot concentrated sulphuric acid.
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4.3.5 g of nitrogen combines with 2 g of oxygen to form an oxide of nitrogen. What is the empirical formula of this oxide?
- A.NO
- B.N₂O
- C.NO₂
- D.N₂O₅
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5.What is the volume (in litres) at S.T.P. of (i) 16 g of Methane gas? (ii) 0.14 g of Carbon monoxide gas? (iii) 1.8 g of Water vapour?
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