This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Carbon And Its Compounds > 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 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is fractional distillation used for? A) To separate mixtures based on boiling points. B) To synthesize new compounds. C) To purify water. D) To break down hydrocarbons. Show Answer Correct Answer: A) To separate mixtures based on boiling points. 2. Low melting point and boiling point is a property of ..... ? A) Organic compounds. B) Inorganic compounds. C) All the above. D) None of the above. Show Answer Correct Answer: A) Organic compounds. 3. Which of the following compounds is an organic compound? A) Carbon dioxide. B) Glucose. C) Calcium carbonate. D) Carbonic acid. Show Answer Correct Answer: B) Glucose. 4. Which of the following is NOT the properties of alcohols? A) Flammable. B) Undergo hydration process. C) Volatile. D) Neutral in pH. Show Answer Correct Answer: B) Undergo hydration process. 5. Carbohydrates and lipids are composed of the same A) Stuff. B) Elements. C) Compounds. D) Molecules. Show Answer Correct Answer: B) Elements. 6. 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. 7. Carbon containing molecules that lack hydrogen bonds. A) Anabolic. B) Organic. C) Inorganic. D) Metabolic. Show Answer Correct Answer: C) Inorganic. 8. 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. 9. 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. 10. What is isomerism? A) Isomerism refers to the ability of compounds to change states easily. B) Isomerism is the existence of compounds with the same molecular formula but different structures or arrangements. C) Isomerism is the phenomenon where compounds have identical boiling points. D) Isomerism is the process of combining different compounds into one. Show Answer Correct Answer: B) Isomerism is the existence of compounds with the same molecular formula but different structures or arrangements. 11. ..... gas evolved when ethanol reacts with sodium. A) Oxygen. B) Carbon. C) Hydrogen. D) None. Show Answer Correct Answer: C) Hydrogen. 12. 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. 13. 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. 14. This organic compound or macromolecule is made up of sugar, phosphate & nitrogen base: A) Nucleic Acid. B) Protein. C) Carbohydrate. D) Lipid. Show Answer Correct Answer: A) Nucleic Acid. 15. 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. 16. Which change happens when oxygen is added to ethanol to make ethanoic acid? A) It is a coloring change. B) It is a cooling change. C) It is an oxidation change. D) It is a melting change. Show Answer Correct Answer: C) It is an oxidation change. 17. 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 burning completely. D) The fuel is wet. Show Answer Correct Answer: B) The fuel is not burning completely. 18. 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. 19. 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). 20. A compound X consists of only carbon and hydrogen. What type of compound is X? A) Hydrocarbon. B) Ester. C) Inorganic compound. D) Organic compoud. Show Answer Correct Answer: A) Hydrocarbon. 21. Source of quick energy A) Carbohydrates. B) Proteins. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 22. 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. 23. Which of the following substance is added to glucose during fermentation? A) Distilled water. B) Salt. C) Sulphur. D) Yeast. Show Answer Correct Answer: D) Yeast. 24. What is the process of soap-making known as? A) Emulsification. B) Sulphonation. C) Saponification. D) Esterification. Show Answer Correct Answer: C) Saponification. 25. What is formed when an organic compound is bunt? A) Hydrogen peroxide. B) Carbon Sulfide. C) Carbon dioxide. D) Hydrogen Sulfide. Show Answer Correct Answer: C) Carbon dioxide. 26. What is the product of the combustion of methane in excess air? A) Carbon monoxide. B) Methanol. C) Water. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 27. Fats, oils and waxes are categories of which group of carbon compounds? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 28. Important to the structural integrity of plant cells, this is the single most abundant polysaccharide in the world. A) Cellulose. B) Glycogen. C) Starch. D) Chitin. Show Answer Correct Answer: A) Cellulose. 29. Classify the following hydrocarbon:C3H8. A) Alkane. B) Alkyne. C) Alkene. D) Cycloalkane. Show Answer Correct Answer: A) Alkane. 30. Which of the following is an alkene? A) CH$_{3}$CH(CH$_{3}$)CH$_{3}$. B) CH$_{3}$CHCH$_{2}$CH$_{3}$. C) CH$_{3}$C(CH$_{3}$)$_{2}$CH$_{3}$. D) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$CH$_{3}$. Show Answer Correct Answer: B) CH$_{3}$CHCH$_{2}$CH$_{3}$. 31. What is the general formula for alkenes? A) ....nH (2n+1). B) ....nH (2n+2). C) ....nH (2n). D) ....nH (2n-2). Show Answer Correct Answer: C) ....nH (2n). 32. What are some of the functions of proteins? A) Provide quick energy for cells. B) Repair tissue and store long-term energy. C) Enzymes and transporting materials across the cell membrane. D) Storing genetic information. Show Answer Correct Answer: C) Enzymes and transporting materials across the cell membrane. 33. Which of the following is a secondary alcohol A) CH3CH(OH)CH3. B) CH3OH. C) CH3CH2CH2CH2(OH). D) CH3CH20H. Show Answer Correct Answer: A) CH3CH(OH)CH3. 34. Name two catalysts which can be used in the hydrogenation of unsaturated compounds. A) Nickel or Palladium. B) Nickel and Mercury. C) Nickel and aluminium. D) Aluminium and mercury. Show Answer Correct Answer: A) Nickel or Palladium. 35. Compound X reacts with methanoic acid to produce a sweet smell compound. What is compound X? A) C$_{2}$H$_{5}$COOH. B) C$_{2}$H$_{5}$OH. C) CH$_{3}$COOCH$_{3}$. D) CH$_{3}$COOH. Show Answer Correct Answer: B) C$_{2}$H$_{5}$OH. 36. Which is the method used to prepare ethanoic acid in laboratory?Kaedah yang manakah digunakan untuk menyediakan asid etanoik dalam makmal? A) Catalytic hydrationPenghidratan bermangkin. B) Addition of waterPenambahan air. C) FermentationPenapaian. D) Oxidation of alcoholPengoksidaan alkohol. Show Answer Correct Answer: D) Oxidation of alcoholPengoksidaan alkohol. 37. Pentane has the molecular formula C$_{5}$H$_{12}$. A) 12 covalent Bonds. B) 17 covalent Bonds. C) 5 covalent Bonds. D) 16 covalent Bonds. Show Answer Correct Answer: D) 16 covalent Bonds. 38. Heptane has ..... A) 5 carbons. B) 8 carbons. C) 7 carbon. D) 6 carbons. Show Answer Correct Answer: C) 7 carbon. 39. Covalent bonds called peptide bonds link amino acids together to form a polypeptide, a type of ..... molecule A) Starch. B) Glucose. C) Carbohydrate. D) Protein. Show Answer Correct Answer: D) Protein. 40. Which of the following will undergo addition reactions? A) CH4. B) C3H8. C) C2H4. D) C2H6. Show Answer Correct Answer: C) C2H4. 41. Which substance coagulates latex? A) Formic acid. B) Ammonia. C) Sodium chloride. D) Sodium hydroxide. Show Answer Correct Answer: A) Formic acid. 42. What is the functional group of fatty acid? A) Hydroxyl group, -OH. B) Carboxyl group, -COOH. C) Carboxylate group, -COO-. D) None of the above. Show Answer Correct Answer: B) Carboxyl group, -COOH. 43. Which compound produces amino acids when hydrolyzed? A) Starch. B) Protein. C) Fat. D) Polyester. Show Answer Correct Answer: B) Protein. 44. Why are carbon atoms able to form many organic compounds? A) Carbon atoms have a strong attraction to other elements. B) Carbon atoms attract electrons from other atoms. C) Carbon atoms can form many types of bonds with other carbon. D) None of the above. Show Answer Correct Answer: C) Carbon atoms can form many types of bonds with other carbon. 45. It is a measure of a fluid's resistance to flow. A) Viscosity. B) Phases of Matter. C) Volatility. D) Flammability. Show Answer Correct Answer: A) Viscosity. 46. Classify the following hydrocarbon:C6H14. A) Alkene. B) Cycloalkane. C) Alkyne. D) Alkane. Show Answer Correct Answer: D) Alkane. 47. Which macromolecule is made up of glycerol and 3 fatty acids? A) Carb. B) Nucleic acid. C) Lipid. D) Protein. Show Answer Correct Answer: C) Lipid. 48. What is a Protein? A) A macromolecule built from amino acids that performs a vast array of functions within organisms, including catalysis and transport. B) A type of carbohydrate that provides energy to the body. C) A lipid that stores energy and provides insulation. D) A nucleic acid that carries genetic information. Show Answer Correct Answer: A) A macromolecule built from amino acids that performs a vast array of functions within organisms, including catalysis and transport. 49. What role do functional groups play in determining the properties of organic compounds? A) Functional groups have no impact on organic compounds. B) Functional groups are key determinants of the properties of organic compounds. C) Functional groups only affect the color of organic compounds. D) Functional groups are irrelevant to the structure of organic compounds. Show Answer Correct Answer: B) Functional groups are key determinants of the properties of organic compounds. 50. Which of the following are not lipids? A) Olive oil. B) Shoe polish. C) A plant cell wall. D) The nuclear envelope. Show Answer Correct Answer: C) A plant cell wall. 51. Which of the following statements illustrates why carbon atoms are so important in living organisms? A) Carbon atoms contain large stores of energy. B) Carbon is found in most inorganic compounds. C) Carbon atoms are polar which allows them to dissolve many compounds. D) Carbon is able to bond to many other atoms to form large and complex molecules. Show Answer Correct Answer: D) Carbon is able to bond to many other atoms to form large and complex molecules. 52. What is the functional group of the esters? A) Carboxylate group, -COO-. B) Double bond between carbon atoms, C=C. C) Carboxyl group, -COOH. D) Hydroxyl group, -OH. Show Answer Correct Answer: A) Carboxylate group, -COO-. 53. What is Glycogen? A) A type of protein that aids in muscle contraction. B) A polysaccharide that serves as the main form of glucose and energy storage in animals and fungi. C) A lipid that stores energy in the form of fat. D) A nucleic acid that carries genetic information. Show Answer Correct Answer: B) A polysaccharide that serves as the main form of glucose and energy storage in animals and fungi. 54. What type of hydrocarbon contains only single bonds? A) Cyclic hydrocarbons. B) Unsaturated hydrocarbons. C) Saturated hydrocarbons. D) Aromatic hydrocarbons. Show Answer Correct Answer: C) Saturated hydrocarbons. 55. What type of bond is formed between two hydrogen atoms? A) Single covalent bond. B) Double covalent bond. C) Ionic bond. D) Metallic bond. Show Answer Correct Answer: A) Single covalent bond. 56. Molecules composed of many monomers; makes up macromolecules. A) Amino Acid. B) Nucleotide. C) Polymer. D) Monomer. Show Answer Correct Answer: C) Polymer. 57. Examples of neuclic acids are DNA and RNA . A) True. B) Flase. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. Carbon is great at bonding because it has how many valence electrons? A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: B) 4. 59. Polysaccharides are linked by A) Peptide bonds. B) Ester linkages. C) Glycosidic linkages. D) Phosphodiester bonds. Show Answer Correct Answer: C) Glycosidic linkages. 60. Which macromolecule helps bears hibernate in the winter? A) Nucleic Acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: B) Lipids. ← PreviousNext →Related QuizzesScience QuizzesClass 10 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books