Class 10 Science Chapter 4: Carbon and its Compounds — practice questions with answers
Free practice for Class 10 Science, Chapter 4: Carbon and its Compounds. Try the solved questions below, then take a free test with instant marking and explanations.
50 questions25 easy, 19 medium, 6 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. The bond formed by sharing of electron pairs between two atoms is called a ______ bond.
- covalent
- ionic
- metallic
- hydrogen
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Answer: A. covalent
Why: Carbon forms covalent bonds because it can neither gain nor lose four electrons easily. [p.58]
Why: Carbon forms covalent bonds because it can neither gain nor lose four electrons easily. [p.58]
Q2. The unique ability of carbon to form bonds with other carbon atoms, giving long chains, is called ______.
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Answer: catenation
Why: Silicon shows it to a small extent. [p.62]
Why: Silicon shows it to a small extent. [p.62]
Q3. Carbon has a valency of four. This property is called ______.
- tetravalency
- catenation
- isomerism
- allotropy
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Answer: A. tetravalency
Why: Carbon has 4 valence electrons. [p.63]
Why: Carbon has 4 valence electrons. [p.63]
Q4. Compounds of carbon and hydrogen having only single bonds are called ______.
- alkanes (saturated hydrocarbons)
- alkenes
- alkynes
- esters
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Answer: A. alkanes (saturated hydrocarbons)
Why: Unsaturated hydrocarbons have double or triple bonds. [p.62]
Why: Unsaturated hydrocarbons have double or triple bonds. [p.62]
Q5. A series of compounds with the same functional group in which the same group replaces hydrogen in a carbon chain is called a ______ series.
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Answer: homologous
Why: Successive members differ by –CH₂–. [p.66]
Why: Successive members differ by –CH₂–. [p.66]
Q6. Which allotrope of carbon has 60 carbon atoms arranged like a football?
- Buckminsterfullerene
- Diamond
- Graphite
- Coal
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Answer: A. Buckminsterfullerene
Why: C₆₀ resembles a geodesic dome. [p.61]
Why: C₆₀ resembles a geodesic dome. [p.61]
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Frequently asked questions
How many practice questions are there for Class 10 Science Chapter 4: Carbon and its Compounds?
50 questions (25 easy, 19 medium, 6 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 10 Science syllabus, used by CBSE and many state boards.