This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The general formula of alkynes is ..... A) CnH2n-2. B) CnH2n. C) CnH2n+2. D) None of the above. Show Answer Correct Answer: A) CnH2n-2. 2. Give the name of this compound ..... C$_{3}$H$_{8}$ A) Propene. B) Butane. C) Butene. D) Propane. Show Answer Correct Answer: D) Propane. 3. What is an example of an inorganic carbon compound found or produced in the human body? A) Water (H$_{2}$O). B) Carbon dioxide (CO$_{2}$). C) Oxygen (O$_{2}$). D) Methane (CH$_{4}$). Show Answer Correct Answer: B) Carbon dioxide (CO$_{2}$). 4. All alkenes have ..... bond A) Double. B) Triple. C) Ionic. D) Metallic. Show Answer Correct Answer: A) Double. 5. Which macromolecule features oils, fats and waxes? A) Carbohydrates. B) Lipids. C) Proteins. D) None of the above. Show Answer Correct Answer: B) Lipids. 6. Proteins are linked by A) Amino acids. B) Peptide bonds. C) Glycosidic linkages. D) Ester bonds. Show Answer Correct Answer: B) Peptide bonds. 7. Which one is NOT a property of ethanoic acid? A) Has vinegar smell. B) Soluble in organic solvent. C) Insoluble in water. D) Reacts with a reactive metal. Show Answer Correct Answer: C) Insoluble in water. 8. Which statement correctly describes how a protein is formed? A) A monosaccharide bonded to a side chain is broken apart. B) Amino acids are bonded together in a long chain to form a new molecule. C) A molecule containing glycerol bonded to three fatty acids is broken apart. D) A nitrogenous base, a sugar, and a phosphate group combine to form a new molecule. Show Answer Correct Answer: B) Amino acids are bonded together in a long chain to form a new molecule. 9. 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. Show Answer Correct Answer: D) Hydrophilic head and hydrophobic tail. 10. The property of self-linkage among identical atoms to form long chain compounds is known A) Superposition. B) Catenation. C) Isomerisation. D) Halogenation. Show Answer Correct Answer: B) Catenation. 11. What kind of carbohydrate is formed when 2 glucose molecules are bonded together? A) Maltose. B) Fructose. C) Lactose. D) Sucrose. Show Answer Correct Answer: A) Maltose. 12. What is an alkane with five carbon atoms called? A) Octane. B) Pentane. C) Decane. D) Heptane. Show Answer Correct Answer: B) Pentane. 13. When wood is heated in a limited supply of air it forms? A) Coal. B) Charcoal. C) Diamond. D) Graphite. Show Answer Correct Answer: B) Charcoal. 14. Which molecular chemical bond found commonly in organic compounds? A) Hydrogen Bond. B) Ionic Bond. C) Van Der Waals Force. D) Covalent Bond. Show Answer Correct Answer: D) Covalent Bond. 15. What is the function of sodium chloride during the preparation of soap? A) Act as a catalyst. B) To harden the soap. C) To precipitate the soap from its solution. D) To reduce the intermolecular attractions in water. Show Answer Correct Answer: C) To precipitate the soap from its solution. 16. Compare enzyme activity to a lock and key. A) Enzyme = locksubstrate = keyOnly 1 set of substrates will fit an enzyme. B) Enzyme = keysubstrate = lockenzyme fits in substrate. C) All the above. D) None of the above. Show Answer Correct Answer: A) Enzyme = locksubstrate = keyOnly 1 set of substrates will fit an enzyme. 17. Which of the following is not the property of natural rubber? A) Sensitive to heat. B) Elasticity decreases over time. C) Easily oxidized by air. D) Hard and brittle. Show Answer Correct Answer: D) Hard and brittle. 18. Carbohydrates' main function is to ..... A) Fight disease. B) Deal with structure. C) Store and release energy. D) None of the above. Show Answer Correct Answer: C) Store and release energy. 19. Which pair are oxidising agents that add oxygen in reactions? A) Water and sugar. B) Oil and vinegar. C) Salt and sand. D) KMnO4 and K2Cr2O7. Show Answer Correct Answer: D) KMnO4 and K2Cr2O7. 20. Which of the following materials is suitable for making aeroplane window? A) Perspex. B) PVC. C) Melamine. D) Glass. Show Answer Correct Answer: A) Perspex. 21. What type of bond is present in carbon-carbon double bonds? A) One pi bond and one delta bond. B) One sigma bond and one pi bond. C) Two sigma bonds. D) One sigma bond. Show Answer Correct Answer: B) One sigma bond and one pi bond. 22. In an addition reaction of an unsaturated hydrocarbon, what is added across the double bond? A) Water drops are added. B) Hydrogen atoms are added. C) Chlorine gas is added. D) Oxygen atoms are added. Show Answer Correct Answer: B) Hydrogen atoms are added. 23. How is carbon used in the ecosystem? A) With plants during photosynthesis. B) To create oxygen in trees. C) To filter water through rock formations. D) All of the above. Show Answer Correct Answer: A) With plants during photosynthesis. 24. If an alkane has 10 carbon atoms, how many hydrogen atoms will it have? A) 20. B) 22. C) 40. D) 42. Show Answer Correct Answer: B) 22. 25. The process of conversion of vegetable oils to vegetable ghee involves: A) Hydrogenation. B) Esterification. C) Oxidation. D) Polymerization. Show Answer Correct Answer: A) Hydrogenation. ← 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