ICSE Class 10 Organic Chemistry — Mock Test (2027)
Free online mock test for Organic 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 Organic 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.Two neighbours of a homologous series differ by :
- A.CH
- B.CH₃
- C.CH₂
- D.CH₄
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2.Which of the following
- A.$\mathrm{C_2H_6}$
- B.$\mathrm{C_2H_5OH}$
- C.$\mathrm{CH_3COOH}$
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3.What is the general formula of carboxylic acids, and what is the IUPAC name of the carboxylic acid with the formula CH₃COOH?
- A.General formula: CₙH₂ₙ₊₁COOH; IUPAC name: Ethanoic acid
- B.General formula: CₙH₂ₙCOOH; IUPAC name: Methanoic acid
- C.General formula: CₙH₂ₙ₊₂COOH; IUPAC name: Propanoic acid
- D.General formula: R–CHO; IUPAC name: Acetic acid
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4.By which process is ethene obtained from ethanol?
- A.Hydrogenation
- B.Dehydration
- C.Hydration
- D.Polymerization
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5.Which of the following compounds is the odd one out based on its classification (valency is not a criterion)?
- A.C₅H₈
- B.C₅H₁₀
- C.C₅H₆
- D.CH₄
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