Class 10 Science — Chapter 4: Carbon and Its Compounds
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Practise Class 10 Science Chapter 4, "Carbon and Its Compounds", with 66 NCERT-aligned multiple-choice questions. The set is split into 22 Easy, 22 Medium and 22 Hard questions, so you can warm up on the fundamentals and then push into the exam-level problems that separate top scorers in CBSE Board exams and the JEE & NEET foundation years.
"Carbon and Its Compounds" is one of the chapters where concept clarity across physics, chemistry and biology basics really pays off. Each MCQ on this chapter is timed and uses exam-grade marking (+2 correct, −1 wrong, 0 skipped), training the same accuracy-under-pressure that real papers demand. Every question carries a short explanation, so a wrong answer becomes a quick lesson rather than a dead end — the fastest way to close gaps before a test.
Use this chapter as targeted revision: attempt the Easy set first to confirm your basics on Carbon and Its Compounds, then move to Medium and Hard to test application and problem-solving. Your accuracy, streaks and XP save automatically, and the chapter feeds into your overall Class 10 Science mastery score. A few sample questions are shown below; sign in free to practise all 66.
Key concepts: Carbon and Its Compounds (Class 10 Science)
Carbon forms millions of compounds through covalent bonding, tetravalency and catenation. This chapter covers hydrocarbons, functional groups and important compounds.
- Covalent bonding
- Carbon shares electrons to complete its octet. Its tetravalency and catenation (self-linking) explain the huge number of carbon compounds.
- Saturated vs unsaturated
- Saturated hydrocarbons (alkanes) have only single bonds; unsaturated ones have double (alkenes) or triple (alkynes) bonds.
- Homologous series
- A family with the same general formula and functional group, where successive members differ by –CH₂– and show a gradation in properties.
- Functional groups
- Reactive atoms/groups that decide chemical behaviour: alcohol (–OH), carboxylic acid (–COOH), aldehyde, ketone, halogen.
- Ethanol & ethanoic acid
- Important compounds: ethanol's combustion/oxidation; ethanoic acid (vinegar) forms esters and reacts with carbonates.
- Soaps & detergents
- Soap molecules form micelles — the hydrophobic tail traps oil and the hydrophilic head faces water, removing dirt.
Key formulas — Carbon and Its Compounds
💡 Exam tips for Carbon and Its Compounds
- Saturated hydrocarbons burn with a clean blue flame; unsaturated ones give a yellow, sooty flame.
- Addition reactions occur at double/triple bonds; substitution reactions are typical of saturated hydrocarbons.
Sample questions
Valency of carbon is:
Carbon has 4 valence electrons → tetravalent.
−COOH is the functional group of:
−COOH = carboxylic acid group.
Smallest alkane that shows structural isomerism:
Butane (C₄H₁₀): n-butane and iso-butane.
Carbon and Its Compounds — FAQs
What are the key concepts in Class 10 Science Carbon and Its Compounds?+
Carbon forms millions of compounds through covalent bonding, tetravalency and catenation. This chapter covers hydrocarbons, functional groups and important compounds. Key ideas include Covalent bonding, Saturated vs unsaturated, Homologous series, Functional groups, Ethanol & ethanoic acid.
What does Class 10 Science Chapter 4 (Carbon and Its Compounds) cover on XamBaaz?+
It covers 66 NCERT-aligned MCQs on "Carbon and Its Compounds" — 22 Easy, 22 Medium and 22 Hard — each with a timed quiz and an instant explanation, suitable for CBSE Board exams and the JEE & NEET foundation years.
Are these "Carbon and Its Compounds" questions free to practise?+
Yes — sign in with Google to practise "Carbon and Its Compounds" free. Full unlimited access is ₹999/year (limited-time launch price), with no per-chapter charges.
How should I revise "Carbon and Its Compounds" for the exam?+
Start with the Easy quiz to confirm your fundamentals, then attempt Medium and Hard for application-level practice. Review each explanation, retry the questions you miss, and track your accuracy on this chapter until it is consistently high.
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