Carbon and Its Compounds Class 10 Science MCQ Quiz – Test Your Knowledge

Are you ready to test your understanding of Carbon and Its Compounds? This chapter is crucial for your CBSE Class 10 Science exam, covering covalent bonding, homologous series, functional groups, chemical reactions of carbon compounds, and more!

About the Quiz

Chapter Name: Carbon and Its Compounds
Subject: Science (Chemistry)
Book: NCERT Class 10 Science
Question Type: Multiple Choice Questions (MCQs)
Leaderboard: Yes (Compete with Others!)

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Chapter 4 - Carbon and its Compounds

1 / 15

What happens to blue litmus when it comes into contact with ethanoic acid?

Turns red

Remains unchanged

Turns colorless

Turns blue

2 / 15

What is the balanced chemical equation for the combustion of ethanol?

C2H5OH + 2O2 → 2CO2 + 3H2O

C2H5OH + 4O2 → 2CO2 + 3H2O

C2H5OH + O2 → 2CO2 + 3H2O

C2H5OH + 3O2 → 2CO2 + 3H2O

3 / 15

When heated at 443K in the presence of conc. H2SO4, which compound forms ethene as the major product?

C2H6

C2H5OH

CH3COOH

C2H4

4 / 15

Two statements are given – one labeled Assertion (A) and the other labeled Reason (R). Select the correct answer from the option given below.

Assertion (A): Following are the structural isomers of butane.

Reason (R): Structural isomers have the same molecular formula but they differ in their structures.

A is false but R is true.

A is true but R is false.

Both A and R are true and R is the correct explanation of A.

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

5 / 15

Which type of compounds decolorize bromine water?

Saturated

Unsaturated

Aliphatic

Aromatic

6 / 15

Why does cooking oil decolorize bromine water, whereas butter does not?

Cooking oil is polar, whereas butter is nonpolar.

Cooking oil is nonpolar, whereas butter is polar.

Cooking oil is saturated, whereas butter is unsaturated.

Cooking oil is unsaturated, whereas butter is saturated.

7 / 15

What is the term for 100% pure ethanol?

Denatured alcohol

Absolute alcohol

Rectified spirit

Ethyl alcohol

8 / 15

The soap molecule has a

Hydrophilic head and a hydrophilic tail

Hydrophobic head and a hydrophobic tail

Hydrophobic head and a hydrophilic tail

Hydrophilic head and a hydrophobic tail

9 / 15

Assertion (A): Detergents are more effective cleansing agents than soaps in hard water.

Reason (R): Calcium and magnesium salts of detergents are water-soluble.

A is true but R is false.

Both A and R are true and R is the correct explanation of A.

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

A is false but R is true.

10 / 15

Which of the following structures correctly represents the electron dot structure of a Nitrogen molecule?

11 / 15

What is the balanced chemical equation for the neutralization of NaOH with ethanoic acid?

NaOH + CH3COOH → CH3COONa + CO2

NaOH + CH3COOH → CH3COONa + H2O

NaOH + CH3COOH → CH3COOH + NaOH

NaOH + CH3COOH → CH3COONa + O2

12 / 15

What is the term for an atom or group of atoms responsible for the chemical characteristics of an organic compound?

Element

Functional group

Molecule

Compound

13 / 15

What is the product of dehydration of ethanol by conc. Sulphuric acid?

Ethanol

Ethane

Ethanoic acid

Ethene

14 / 15

Organic compound 'A' widely used as a preservative. What is the name of compound 'A', the sweet-smelling compound 'B' formed by its reaction with ethanol, and the name of the process involved?

Ethanoic acid, Ethyl ethanoate, Esterification

Ethanol, Ethyl acetate, Esterification

Ethyl acetate, Ethyl ethanoate, Condensation

Acetic acid, Methyl ethanoate, Hydrolysis

15 / 15

What is the balanced chemical equation for the reaction between ethanoic acid and NaHCO3?

CH3COOH + NaHCO3 → CH3COONa + H2O + CO2

CH3COOH + NaHCO3 → CH3COONa + O2

CH3COOH + NaHCO3 → CH3COONa + H2O

CH3COOH + NaHCO3 → CH3COOH + NaOH

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Pos.	Name	Score	Duration	Points
1	Nikola tesla	100 %	37 seconds	15
2	Edison	100 %	46 seconds	15
3	Newton	100 %	49 seconds	15
4	Oppenheimer	100 %	58 seconds	15
5	Einstein	100 %	1 minutes 5 seconds	15
6	varun	100 %	1 minutes 45 seconds	15
7	varun	100 %	1 minutes 49 seconds	15
8	holaa	100 %	1 minutes 53 seconds	15
9	Priyanshi . .....	100 %	1 minutes 54 seconds	15
10	aki	100 %	2 minutes 12 seconds	15
11	Varun	100 %	2 minutes 17 seconds	15
12	varun	100 %	2 minutes 18 seconds	15
13	.......	100 %	3 minutes 47 seconds	15
14	k	100 %	3 minutes 50 seconds	15
15	Varun	100 %	3 minutes 50 seconds	15
16	I HOPE I GET ABOVE 80%	100 %	4 minutes 57 seconds	15
17	kurtis kumar	100 %	6 minutes 27 seconds	15
18	varun	100 %	7 minutes 1 seconds	15
19	Anwesha	100 %	7 minutes 4 seconds	15
20	PRIYANSHI DAHRIYA	93 %	1 minutes 27 seconds	14
21	nami	93 %	1 minutes 33 seconds	14
22	Varun	93 %	1 minutes 51 seconds	14
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55	PRIYANSHI DAHRIYA	80 %	1 minutes 22 seconds	12
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69	Unknown	80 %	8 minutes 1 seconds	12
70	Dwija	80 %	11 minutes 44 seconds	12
71	Trinay	80 %	17 minutes 8 seconds	12
72	hola	73 %	1 minutes 41 seconds	11
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74	96% ONLY THIS TIME	73 %	2 minutes 22 seconds	11
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76	TIJIL	73 %	2 minutes 43 seconds	11
77	priyanshi	73 %	2 minutes 59 seconds	11
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92	Swati	73 %	7 minutes 32 seconds	11
93	Radhika sharma	73 %	9 minutes 19 seconds	11
94	navpreet singh	73 %	12 minutes 4 seconds	11
95	Gracy	73 %	13 minutes 11 seconds	11
96	100 PERCENTAGE ONLY	73 %	22 minutes 11 seconds	11
97	kk	73 %	46 minutes 9 seconds	11
98	Tasneem	67 %	2 minutes 22 seconds	10
99	Dravya	67 %	2 minutes 51 seconds	10
100	Ritz	67 %	4 minutes 6 seconds	10
101	Ragini	67 %	4 minutes 55 seconds	10
102	Vansh Bansal	67 %	5 minutes 54 seconds	10
103	akilesh	67 %	6 minutes 1 seconds	10
104	Sneha singh	67 %	6 minutes 12 seconds	10
105	Kid	67 %	6 minutes 13 seconds	10
106	mayank rawat	67 %	6 minutes 33 seconds	10
107	shruthi	67 %	6 minutes 51 seconds	10
108	hhnn	67 %	7 minutes 29 seconds	10
109	champion	67 %	22 minutes	10
110	Priyanshi Dahriya	60 %	1 minutes 10 seconds	9
111	Shad	60 %	2 minutes 35 seconds	9
112	Rishith	60 %	3 minutes 18 seconds	9
113	Ayushman Verma	60 %	3 minutes 46 seconds	9
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115	Rathore	60 %	4 minutes 41 seconds	9
116	jaspreet	60 %	4 minutes 43 seconds	9
117	Hpv	60 %	6 minutes 50 seconds	9
118	Nikhil	60 %	7 minutes 4 seconds	9
119	REX	60 %	7 minutes 12 seconds	9
120	tijil	60 %	10 minutes 3 seconds	9
121	ananya	60 %	12 minutes 18 seconds	9
122	tijil	60 %	18 minutes 8 seconds	9
123	Vani	53 %	1 minutes 43 seconds	8
124	Avani Sharma	53 %	2 minutes 55 seconds	8
125	OPI	53 %	6 minutes 45 seconds	8
126	Priyanshi Negi	53 %	8 minutes 48 seconds	8
127	tijil	53 %	13 minutes 29 seconds	8
128	Bsd	53 %	14 minutes 55 seconds	8
129	Harshul	53 %	1 hours 38 minutes 31 seconds	8
130	Rohit	47 %	2 minutes 6 seconds	7
131	ATM	47 %	2 minutes 43 seconds	7
132	Punyabratha S	47 %	4 minutes	7
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134	tavissh	47 %	4 minutes 29 seconds	7
135	Mrina	47 %	4 minutes 41 seconds	7
136	Chamundeswari	47 %	4 minutes 50 seconds	7
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138	Abhinav	47 %	5 minutes 41 seconds	7
139	shruthi	47 %	6 minutes 47 seconds	7
140	AYUSHI YADAV	47 %	7 minutes 28 seconds	7
141	Tttttttttttttttttttttttttgggggggguuuuuuuu	47 %	10 minutes 52 seconds	7
142	HDFC	40 %	30 seconds	6
143	Inclint	40 %	1 minutes 28 seconds	6
144	Prem Prakash	40 %	3 minutes 22 seconds	6
145	Rohit	40 %	4 minutes 52 seconds	6
146	Tejas H.B	40 %	7 minutes	6
147	Sneha singh	40 %	12 minutes 41 seconds	6
148	unknown	40 %	15 minutes 12 seconds	6
149	Cheetah	33 %	1 minutes 18 seconds	5
150	Aditya	33 %	3 minutes 10 seconds	5
151	Pranjaltomar	33 %	3 minutes 25 seconds	5
152	Ashish	33 %	6 minutes 49 seconds	5
153	Gitashri	27 %	55 seconds	4
154	Fgjn	27 %	3 minutes 34 seconds	4
155	tirumal	27 %	6 minutes 37 seconds	4
156	Priyanshi	27 %	12 minutes 27 seconds	4
157	Gitashri	20 %	1 minutes 33 seconds	3
158	Rani	20 %	3 minutes 35 seconds	3
159	Khushi	20 %	4 minutes 12 seconds	3
160	Mayuresh	20 %	9 minutes 10 seconds	3
161	Vivaan	13 %	3 minutes 58 seconds	2
162	Chh	7 %	27 seconds	1
163	Fhf	0 %	21 seconds	0
164	Vdhna	0 %	23 seconds	0
165	Rajni	0 %	26 seconds	0
166	Rajni	0 %	52 seconds	0

Key Topics Covered in the Quiz

✔ Covalent Bonding in Carbon Compounds
✔ Saturated and Unsaturated Hydrocarbons
✔ Functional Groups & Homologous Series
✔ Chemical Properties of Carbon Compounds
✔ Ethanol & Ethanoic Acid – Properties & Uses
✔ Soap and Detergent Action

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