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Class 10 Science — Chapter 4: Carbon and Its Compounds
66 practice questions · 22 Easy · 22 Medium · 22 Hard
Free NCERT-aligned multiple-choice practice for Class 10 Science, Chapter 4 (Carbon and Its Compounds). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 66.
Sample questions
Q1Easy
Valency of carbon is:
A.2
B.4✓ correct
C.6
D.8
Why
Carbon has 4 valence electrons → tetravalent.
Q2Medium
−COOH is the functional group of:
A.Alcohol
B.Carboxylic acid✓ correct
C.Ketone
D.Aldehyde
Why
−COOH = carboxylic acid group.
Q3Hard
Smallest alkane that shows structural isomerism:
A.Propane
B.Butane✓ correct
C.Methane
D.Ethane
Why
Butane (C₄H₁₀): n-butane and iso-butane.
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