ICSE Class 10 Hydrocarbons — Mock Test (2027)
Free online mock test for Hydrocarbons (ICSE Class 10 Chemistry) — 76 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 Hydrocarbons 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.Polythene is obtained by the polymerisation of which monomer?
- A.Ethene
- B.Propene
- C.Ethyne
- D.Benzene
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2.Arrange benzene, n-hexane and ethyne in decreasing order of acidic behaviour.
- A.Ethyne > benzene > n-hexane
- B.n-Hexane > benzene > ethyne
- C.Benzene > ethyne > n-hexane
- D.Ethyne > n-hexane > benzene
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3.The correct order of reactivity of halogens in the halogenation of alkanes is:
- A.F2 > Cl2 > Br2 > I2
- B.I2 > Br2 > Cl2 > F2
- C.Cl2 > F2 > Br2 > I2
- D.Br2 > Cl2 > I2 > F2
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4.Addition of HBr to propene yields 2-bromopropane, but in the presence of benzoyl peroxide the same reaction yields 1-bromopropane. This anti-Markovnikov addition is known as the:
- A.Peroxide or Kharash effect
- B.Markovnikov effect
- C.Wurtz effect
- D.Friedel-Crafts effect
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5.The sodium salt of which carboxylic acid should be heated with soda lime to prepare propane?
- A.Butanoic acid (sodium butanoate)
- B.Propanoic acid (sodium propanoate)
- C.Ethanoic acid (sodium ethanoate)
- D.Pentanoic acid (sodium pentanoate)
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