CBSE  /  Class 10  /  Science  /  Carbon and Its Compounds

  • 1. 
    The portion left on dropping a hydrogen atom from an alkane is called

  • functional group
  • alkenyl group
  • alkyl group
  • phenyl group

  • 2. 
    The functional group present in a carboxylic acid is
    MCQ Questions for Class 10 Science Chapter 4 Carbon and Its Compounds with Answers 5

  • a
  • b
  • c
  • d

  • 3. 
    Identify the unsaturated compounds from the following:

  • (i) and (ii)
  • (ii) and (iv)
  • (iii) and (iv)
  • (ii) and (iii)

  • 4. 
    Which of the following are correct structural isomers of butane?

  • (i) and (iii)
  • (ii) and (iv)
  • (i) and (ii)
  • (iii) and (iv)

  • 5. 
    Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e. g. , hydrogen. After the formation of four bonds, carbon attains the electronic configuration of

  • helium
  • neon
  • argon
  • krypton

  • 6. 
    Which of the following statements are usually correct for carbon compounds? These

  • (i) and (iii)
  • (ii) and (iii)
  • (i) and (iv)
  • (ii) and (iv)

  • 7. 
    How many electrons are there in the outermost orbit of carbon?

  • Two
  • Three
  • One
  • Four

  • 8. 
    Which of these is true for most of the organic compounds?

  • High melting and boiling points
  • Low melting point but high boiling point
  • High melting point but low boiling point
  • Low melting and boiling points

  • 9. 
    Hydrocarbons are mainly composed of which of these?

  • Hydrogen, carbon and nitrogen
  • Hydrogen and carbon
  • Hydrogen
  • Hydrogen, oxygen and carbon

  • 10. 
    How many double bonds are there in a saturated hydrocarbon?

  • One
  • Two
  • Three
  • Zero
Report Question
warning
Practice More On Carbon and Its Compounds
Quiz 1 Quiz 2 Quiz 3 Quiz 4
access_time
  Time