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

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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

The soap molecule has a

Hydrophilic head and a hydrophilic tail

Hydrophilic head and a hydrophobic tail

Hydrophobic head and a hydrophobic tail

Hydrophobic head and a hydrophilic tail

2 / 15

What is the molecular formula of the organic compound 'A' widely used as a preservative?

C2H4O

C2H6O2

C2H4O2

C2H6O

3 / 15

When heated at 443K in the presence of conc. H2SO4, ethanol forms ethene as the major product? What is the role played by conc. H2SO4 in this reaction?

Reducing agent

Oxidizing agent

Dehydrating agent

Catalyst

4 / 15

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

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

5 / 15

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

C2H5OH

C2H6

CH3COOH

C2H4

6 / 15

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

Cooking oil is unsaturated, whereas butter is saturated.

Cooking oil is polar, whereas butter is nonpolar.

Cooking oil is nonpolar, whereas butter is polar.

Cooking oil is saturated, whereas butter is unsaturated.

7 / 15

One mole of which of the following compounds requires 2 moles of hydrogen to form a saturated hydrocarbon by catalytic hydrogenation?

Only P and Q

Only P and S

Only R and S

Only P, Q, and S

8 / 15

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

Ethene

Ethanol

Ethanoic acid

Ethane

9 / 15

What is the general molecular formula of alkynes?

CnHn

CnH2n+2

CnH2n-2

CnH2n

10 / 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.

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 true but R is false.

A is false but R is true.

11 / 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?

Ethyl acetate, Ethyl ethanoate, Condensation

Ethanoic acid, Ethyl ethanoate, Esterification

Acetic acid, Methyl ethanoate, Hydrolysis

Ethanol, Ethyl acetate, Esterification

12 / 15

What is the major product formed when CH3COOH and C2H5OH react with each other in the presence of conc. H2SO4?

Ester

Ether

Ketone

Aldehyde

13 / 15

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

Also See: CBSE Class 10 SST Official Sample Paper 2024-25 Solved: Detailed Explanations & NCERT Pages

CH3COOH + NaHCO3 → CH3COONa + H2O

CH3COOH + NaHCO3 → CH3COOH + NaOH

CH3COOH + NaHCO3 → CH3COONa + O2

CH3COOH + NaHCO3 → CH3COONa + H2O + CO2

14 / 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 but R is not the correct explanation of A.

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

15 / 15

Which type of compounds decolorize bromine water?

Aliphatic

Saturated

Aromatic

Unsaturated

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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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