MCQ Questions | Class 10 Science Chapter 4 | Carbon and Its Compounds with Answers

MCQ | Class 10 Science Chapter 4 | Carbon and Its Compounds Set B

Check the below NCERT MCQ Questions for Class 10 Science Chapter 4 Carbon and Its Compounds with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Carbon and Its Compounds Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 4

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	4
Chapters Name:	Carbon and Its Compounds
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 4 Carbon and Its Compounds to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Carbon and Its Compounds | Class 10 Science | NCERT Solutions

Q1.	C₃H₈ belongs to the homologous series of
	A. Alkynes
	B. Alkenes
	C. Alkanes
	D. Cyclo alkanes

Ans: Alkanes

Q2.	The first compound to be prepared in the laboratory was
	A. Methane
	B. Ethyl alcohol
	C. acetic acid
	D. Urea

Ans: Urea

Q3.	The number of isomers of pentane is
	A. 2
	B. 3
	C. 4
	D. 5

Ans: 3

Q4.	Enzyme which converts starch into glucose is
	A. Zymase
	B. Maltase
	C. Diastase
	D. Invertase

Ans: Zymase

Q5.	Rectified spirit is
	A. 50% ethanol
	B. 80% ethanol
	C. 95% ethanol
	D. 40 to 50% ethanol

Ans: 95% ethanol

Q6.	The IUPAC name of CH₃CHO is
	A. Acetaldehyde
	B. Formaldehyde
	C. Methyl formaldehyde
	D. Ethanal

Ans: Ethanal

Q7.	Ethanol on complete oxidation gives
	A. acetic acid/ethanoic acid
	B. CO₂ and water
	C. ethanal
	D. acetone/ethanone

Ans: CO₂ and water

Q8.	Addition reactions are undergone by
	A. saturated hydrocarbons (alkanes)
	B. only alkenes
	C. only alkynes
	D. both alkenes and alkynes

Ans: both alkenes and alkynes

Q9.	Which of the following belongs to homologous series of alkynes? C₆H₆, C₂H₆, C₂H₄, C₃H₄.
	A. C₆H₆
	B. C₂H₄
	C. C₂H₆
	D. C₃H₄

Ans: C₃H₄

Q10.	The first member of the alkyne homologous series is
	A. propyne
	B. ethyne
	C. methane
	D. ethene

Ans: ethyne

Q11.	A soap molecule has a
	A. hydrophobic head and hydrophobic tail
	B. hydrophobic head and hydrophilic tail
	C. hydrophilic head and hydrophilic tail
	D. hydrophilic head and hydrophobic tail

Ans: hydrophilic head and hydrophobic tail

Q12.	In diamond, each carbon atom is bonded to four other carbon atoms to form
	A. a hexagonal array
	B. a rigid three-dimensional structure
	C. a structure in the shape of a football
	D. a structure of a ring

Ans: a rigid three-dimensional structure

Q13.	IUPAC name of first member of homologous series of ketones is
	A. Ethanone
	B. methanone
	C. Propanone
	D. Butanone

Ans: Propanone

Q14.	– CHO represents the functional group
	A. esters
	B. carboxylic acid
	C. alcohols
	D. aldehydes

Ans: aldehydes

Q15.	While cooking, if the bottom of the vessels is getting blackened on the outside, it means that
	A. the fuel is not cooked completely.
	B. the fuel is not burning completely.
	C. the fuel is wet.
	D. the is burning completely.

Ans: the fuel is not burning completely.

Q16.	The difference in the formula and molecular masses of CH3OH and C2H5OH is
	A. CH₃ and 16u
	B. CH₂ and 14u
	C. CH₄ and 18u
	D. CH₃ and 16u

Ans: CH₂ and 14u

Q17.	The self linkage property (catenation) is maximum in
	A. carbon
	B. silicon
	C. sulphur
	D. phosphorus

Ans: carbon

Q18.	Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
	A. Addition reaction
	B. Substitution reaction
	C. Displacement reaction
	D. Oxidation reaction

Ans: Addition reaction

Q19.	Assertion: Ethanoic acid reacts with ethyl alcohol in presence of cone H₂SO₄ to form ethyl ethanoate. Reason: Esters are used in ice creames and cold drinks.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.