ICSE Class 10 Organic Chemistry - Some Basic Principles and Techniques — Mock Test (2027)
Free online mock test for Organic Chemistry - Some Basic Principles and Techniques (ICSE Class 10 Chemistry) — 79 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 - Some Basic Principles and Techniques 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.In a three-dimensional representation of organic molecules, a solid wedge is used to indicate a bond that:
- A.Lies in the plane of the paper
- B.Projects towards the viewer (above the plane of paper)
- C.Projects away from the viewer (below the plane of paper)
- D.Is a hydrogen bond
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2.Compounds in which the ring contains only carbon atoms are called:
- A.Heterocyclic compounds
- B.Carbocyclic (homocyclic) compounds
- C.Acyclic compounds
- D.Aromatic compounds
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3.Two compounds having the same molecular formula but different structures are called:
- A.Homologues
- B.Isomers
- C.Allotropes
- D.Polymers
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4.Which functional group is characteristic of an aldehyde?
- A.-COOH
- B.-CHO
- C.-OH
- D.>C=O (between two carbons)
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5.In IUPAC nomenclature, the suffix used for the homologous series of saturated hydrocarbons (alkanes) is:
- A.-ane
- B.-ene
- C.-yne
- D.-ol
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