CBSE Class 10 Science Chapter 4 Carbon And Its Compounds Multiple Choice Questions with Answers. MCQ Class 10 Science Carbon And Its Compounds with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Carbon And Its Compounds MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 6
Question 1:
Hydrocarbons are mainly composed of which of these?
(a) Hydrogen, carbon and nitrogen
(b) Hydrogen and carbon
(c) Hydrogen
(d) Hydrogen, oxygen and carbon
Correct Answer – (B)
Question 2 :
How many electrons are there in the outermost orbit of carbon?
(a) Two
(b) Three
(c) One
(d) Four
Correct Answer – (D)
Question 3 :
Which of the following statements are usually correct for carbon compounds? These
(i) are good conductors of electricity
(ii) are poor conductors of electricity
(iii) have strong forces of attraction between their molecules
(iv) do not have strong forces of attraction between their molecules
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)
Correct Answer – (D)
Question 4 :
Identify the unsaturated compounds from the following:
(i) Propane
(ii) Propene
(iii) Propyne
(iv) Chloropropane
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (iii) and (iv)
(d) (ii) and (iii)
Correct Answer – (D)
Question 5 :
Vinegar is a solution of
(a) 50% – 60% acetic acid in alcohol
(b) 5% – 8% acetic acid in alcohol
(c) 5% – 8% acetic acid in water
(d) 50% – 60% acetic acid in water
Correct Answer – (C)
Question 6 :
Which of these is true for most of the organic compounds?
(a) High melting and boiling points
(b) Low melting point but high boiling point
(c) High melting point but low boiling point
(d) Low melting and boiling points
Correct Answer – (B)
Question 7 :
Pentane has the molecular formula C5H12. It has
(a) 5 covalent bonds
(b) 12 covalent bonds
(c) 16 covalent bonds
(d) 17 covalent bonds
Correct Answer – (C)
Question 8 :
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
(a) helium
(b) neon
(c) argon
(d) krypton
Correct Answer – (B)
Question 9 :
The portion left on dropping a hydrogen atom from an alkane is called
(a) functional group
(b) alkenyl group
(c) alkyl group
(d) phenyl group
Correct Answer – (C)
Question 10 :
In the above given reaction, alkaline KMnO4 acts as
(a) reducing agent
(b) oxidising agent
(c) catalyst
(d) dehydrating agent
Correct Answer – (B)
- NCERT Solutions Class 10 Science Chapter 1 : Chemical Reactions and Equation
- NCERT Solutions Class 10 Science Chapter 2 : Acids, Bases & Salts
- NCERT Solutions Class 10 Science Chapter 3 : Metals and Non-metals
- NCERT Solutions Class 10 Science Chapter 4 : Carbon And Its Compounds
- NCERT Solutions Class 10 Science Chapter 5 : Periodic Classification of Elements
- NCERT Solutions Class 10 Science Chapter 6 : Life Precesses
- NCERT Solutions Class 10 Science Textbook Download
