ICSE Class 10 Analytical Chemistry — Mock Test (2027)
Free online mock test for Analytical Chemistry (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 Analytical Chemistry 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.Which equation correctly represents the reaction when lead nitrate solution is added to sodium chloride solution?
- A.Pb(NO₃)₂ + NaCl → PbCl + NaNO₃
- B.Pb(NO₃)₂ + 2NaCl → PbCl₂↓ + 2NaNO₃
- C.Pb(NO₃)₂ + NaCl → PbCl₂ + NaNO₃
- D.2Pb(NO₃)₂ + NaCl → PbCl₂ + 2NaNO₃
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2.Detection of Carbonate: On adding dilute Sulphuric acid to a metallic Carbonate, a colourless and odourless gas evolves which turns lime water milky. Which of the following sets of balanced chemical equations correctly represents the reactions involved?
- A.Na₂CO₃ + H₂SO₄ → Na₂SO₄ + H₂O + CO₂; Ca(OH)₂ + CO₂ → CaCO₃ + H₂O
- B.Na₂CO₃ + H₂SO₄ → Na₂SO₄ + H₂ + CO₃; Ca(OH)₂ + CO₃ → CaCO₃ + H₂O
- C.Na₂CO₃ + H₂SO₄ → Na₂S + H₂O + CO₂; Ca(OH)₂ + CO₂ → CaO + H₂CO₃
- D.Na₂CO₃ + H₂SO₄ → Na₂O + H₂SO₄ + CO₂; Ca(OH)₂ + CO₂ → Ca(HCO₃)₂
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3.Which pair of balanced chemical equations correctly represents the reaction when sodium hydroxide solution is added to zinc sulphate first a little, then in excess?
- A.ZnSO₄ + NaOH → Zn(OH)₂ + Na₂SO₄; Zn(OH)₂ + NaOH → NaZnO₂ + H₂O
- B.ZnSO₄ + 2NaOH → Zn(OH)₂ + Na₂SO₄; Zn(OH)₂ + 2NaOH → Na₂ZnO₂ + 2H₂O
- C.ZnSO₄ + NaOH → ZnO + Na₂SO₄ + H₂O; ZnO + NaOH → Na₂ZnO₂ + H₂O
- D.ZnSO₄ + 2NaOH → Zn(OH)₂ + Na₂SO₄; Zn(OH)₂ + NaOH → NaZnO₂ + H₂O
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4.Assertion: Magnesium nitrate forms a white precipitate with ammonium hydroxide. Reason: Magnesium hydroxide is insoluble in ammonium hydroxide. (a) Both Assertion and Reason are true and Reason is the correct explanation for Assertion (b) Both Assertion and Reason are true, but Reason is not the correct explanation for 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 for Assertion
- B.Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion
- C.Assertion is true, but Reason is false.
- D.Assertion is false, but Reason is true.
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5.Dirty green precipitates are formed by **______** salts.
- A.Zinc
- B.Copper
- C.Magnesium
- D.Mercury
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