This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which form of pure carbon is formed of layers that slide past one another? A) Diamond. B) Graphite. C) Fullerene. D) Nanotube. Show Answer Correct Answer: B) Graphite. 2. Carbon containing molecules that lack hydrogen bonds. A) Organic. B) Metabolic. C) Inorganic. D) Anabolic. Show Answer Correct Answer: C) Inorganic. 3. Another word for a building block is a ..... A) Polymer. B) Monomer. C) Dimer. D) None of the above. Show Answer Correct Answer: B) Monomer. 4. What type of bond involves 2 shared electrons between carbon atoms? A) Single bond. B) Double bond. C) Triple bond. D) Quadruple bond. Show Answer Correct Answer: A) Single bond. 5. What is isomerism? A) Isomerism refers to the ability of compounds to change states easily. B) Isomerism is the phenomenon where compounds have identical boiling points. C) Isomerism is the existence of compounds with the same molecular formula but different structures or arrangements. D) Isomerism is the process of combining different compounds into one. Show Answer Correct Answer: C) Isomerism is the existence of compounds with the same molecular formula but different structures or arrangements. 6. ..... gas evolved when ethanol reacts with sodium. A) Oxygen. B) Carbon. C) Hydrogen. D) None. Show Answer Correct Answer: C) Hydrogen. 7. Give the IUPAC NAME OF THIS STRUCTURAL FORMULAR C$_{6}$H$_{14}$ A) HAXANE. B) HEXANOL. C) HEXANOIC ACIT. D) None of the above. Show Answer Correct Answer: A) HAXANE. 8. Proteins are made of monomers called ..... A) Nucleotides. B) Monosaccharides. C) Amino Acids. D) Glycerol and fatty acids. Show Answer Correct Answer: C) Amino Acids. 9. This organic compound or macromolecule is made up of sugar, phosphate & nitrogen base: A) Carbohydrate. B) Protein. C) Lipid. D) Nucleic Acid. Show Answer Correct Answer: D) Nucleic Acid. 10. The longer the hydrocarbon, the ..... the boiling point A) Lower. B) Higher. C) All the above. D) None of the above. Show Answer Correct Answer: B) Higher. 11. Which change happens when oxygen is added to ethanol to make ethanoic acid? A) It is a coloring change. B) It is an oxidation change. C) It is a cooling change. D) It is a melting change. Show Answer Correct Answer: B) It is an oxidation change. 12. While cooking, if the bottom of the vessel is getting blackened on the outside, it means that: A) The food is not cooked completely. B) The fuel is not burning completely. C) The fuel is wet. D) The fuel is burning completely. Show Answer Correct Answer: B) The fuel is not burning completely. 13. What type of bond is discussed in section 4.1 of the chapter? A) Ionic bond. B) Metallic bond. C) Covalent bond. D) Hydrogen bond. Show Answer Correct Answer: C) Covalent bond. 14. Assertion:Following are the members of homologous series CH3OH, CH3CH2OH, CH3CH2CH2OHReason:A series of compounds with the same functional group but differing by-CH2 unit is called homologous series. 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. Show Answer Correct Answer: A) Both (A) and (R) are true and (R) is the correct explanation of (A). 15. A compound X consists of only carbon and hydrogen. What type of compound is X? A) Ester. B) Hydrocarbon. C) Organic compoud. D) Inorganic compound. Show Answer Correct Answer: B) Hydrocarbon. 16. Source of quick energy A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 17. Discuss the significance of carbon compounds in organic chemistry. A) Carbon compounds are significant in organic chemistry because they form the backbone of organic molecules, allowing for diversity in structure and function, which is essential for life. B) Carbon compounds are only found in inorganic chemistry. C) Organic chemistry focuses solely on metals and minerals. D) Carbon compounds are irrelevant to biological processes. Show Answer Correct Answer: A) Carbon compounds are significant in organic chemistry because they form the backbone of organic molecules, allowing for diversity in structure and function, which is essential for life. 18. Which of the following substance is added to glucose during fermentation? A) Salt. B) Sulphur. C) Yeast. D) Distilled water. Show Answer Correct Answer: C) Yeast. 19. What is the process of soap-making known as? A) Saponification. B) Sulphonation. C) Esterification. D) Emulsification. Show Answer Correct Answer: A) Saponification. 20. What is formed when an organic compound is bunt? A) Carbon dioxide. B) Hydrogen peroxide. C) Carbon Sulfide. D) Hydrogen Sulfide. Show Answer Correct Answer: A) Carbon dioxide. 21. What is the product of the combustion of methane in excess air? A) Water. B) Carbon monoxide. C) Methanol. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 22. Fats, oils and waxes are categories of which group of carbon compounds? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 23. Important to the structural integrity of plant cells, this is the single most abundant polysaccharide in the world. A) Starch. B) Glycogen. C) Cellulose. D) Chitin. Show Answer Correct Answer: C) Cellulose. 24. Classify the following hydrocarbon:C3H8. A) Cycloalkane. B) Alkane. C) Alkyne. D) Alkene. Show Answer Correct Answer: B) Alkane. 25. Which of the following is an alkene? A) CH$_{3}$CH(CH$_{3}$)CH$_{3}$. B) CH$_{3}$CHCH$_{2}$CH$_{3}$. C) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$CH$_{3}$. D) CH$_{3}$C(CH$_{3}$)$_{2}$CH$_{3}$. Show Answer Correct Answer: B) CH$_{3}$CHCH$_{2}$CH$_{3}$. ← PreviousNext →Related QuizzesClass 10 Science Chapter 4 Carbon And Its Compounds Quiz 1Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 2Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 3Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 4Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 5Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 6Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 7Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 8Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 9Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books