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

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

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.	Which amongst the following will conduct electricity?
	A. C₆H₁₂O₆
	B. KCl(s)
	C. C₂H₅OH
	D. NaCl (aq)

Ans: NaCl (aq)

Q2.	Artificial flavour for orange is obtained from
	A. amyl acetate
	B. isoamyl valerate
	C. methyl butyrate
	D. octyl acetate

Ans: octyl acetate

Q3.	Which of the following contains covalent bond?
	A. MgCl₂
	B. CaF₂
	C. Al₂O₃
	D. HCl

Ans: HCl

Q4.	Assertion: Soaps are 100% biodegradable but do not work well with hard water. Reason: Some detergents are not bio-degradable but work well with hard water.
	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.

Ans: Both A and R are true but R is not the correct explanation of A.

Q5.	Ethanol reacts with Na metal to form
	A. CH₃ONa + H₂
	B. C₂H₅ONa + H₂
	C. CH₃COONa + H₂
	D. CH₃C00H + H₂O

Ans: C₂H₅ONa + H₂

Q6.	Carbon exists in the atmosphere in the form of
	A. carbon monoxide only
	B. carbon monoxide in traces and carbon dioxide
	C. carbon dioxide only
	D. coal

Ans: carbon monoxide in traces and carbon dioxide

Q7.	The number of covalent bonds in C₄H₁₀ is
	A. 10
	B. 8
	C. 13
	D. 12

Ans: 13

Q8.	Which of the following statements about graphite and diamond is true?
	A. They have the same crystal structure
	B. They have the same degree of hardness
	C. They have the same electrical conductivity
	D. They can undergo the same chemical reactions

Ans: They can undergo the same chemical reactions

Q9.	Which of the following is ethanol?
	A. CH₃CHO
	B. CH₃COOH
	C. CH₃CH₂
	D. CH₃COOCH₃

Ans: CH₃CH₂

Q10.	Solubility of alcohol in water is due to
	A. low density of alcohol
	B. volatile nature of alcohol
	C. ionisation
	D. hydrogen bonding

Ans: hydrogen bonding

Q11.	Butanone is a four carbon compound with the functional group
	A. carboxylic acid
	B. aldehyde
	C. ketone
	D. alcohol

Ans: Ketone

Q12.	Alcohols can be produced by the hydration of
	A. Alkenes
	B. alkynes
	C. alkanes
	D. acids

Ans: Alkenes

Q13.	The odour of acetic acid resembles that of
	A. Rose
	B. Burning Plastic
	C. Vinegar
	D. Kerosene

Ans: Vinegar

Q14.	Diamond is not a good conductor of electricity because
	A. It is very hard
	B. Its structure is very compact
	C. It is not soluble in water
	D. It has no free electrons to conduct electric current.

Ans: It has no free electrons to conduct electric current.

Q15.	The number of C-H bonds in ethane C₂H₆ molecule are
	A. 4
	B. 6
	C. 8
	D. 10

Ans: 6

Q16.	The by product in soap industry is
	A. Isoprene
	B. Ethylene glycol
	C. glycerol
	D. butane

Ans: glycerol

Q17.	Why does carbon form compounds mainly by covalent bonding?
	A. There are four electrons in the outermost shell of carbon.
	B. It requires large amount of energy to form C_4⁺ or C_4^–
	C. It shares its valence electrons to complete its octet.
	D. All the above