This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Formula for Benzene molecule is A) C$_{6}$H$_{12}$. B) C$_{6}$H$_{8}$. C) C$_{8}$H$_{6}$. D) C$_{6}$H$_{6}$. Show Answer Correct Answer: D) C$_{6}$H$_{6}$. 2. Catalysts lower the ..... of a chemical reaction. A) Activation eenrgy. B) Enzyme use. C) Endergonic. D) Exergonic energy. Show Answer Correct Answer: A) Activation eenrgy. 3. What is the chemical formula for methane? A) CH3OH. B) C2H6. C) CO2. D) CH4. Show Answer Correct Answer: D) CH4. 4. Make up waxy coverings: A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 5. Which of the following properties makes ester suitable for making perfumes? A) Sweet smell. B) Dissolve in water. C) High boiling point. D) Can conduct electricty. Show Answer Correct Answer: A) Sweet smell. 6. Large molecules in living cells are known as ..... A) Macromolecules. B) Monomers. C) Atoms. D) Elements. Show Answer Correct Answer: A) Macromolecules. 7. What is one of the functions of proteins? A) Long Term Energy. B) Short Term Energy. C) Storing Genetic Information. D) Speeding Up Reactions in Cells. Show Answer Correct Answer: D) Speeding Up Reactions in Cells. 8. Example of unsaturated hydrocarbons is A) C-C. B) C=C. C) C-H. D) C-O. Show Answer Correct Answer: B) C=C. 9. How many isomers does Butanol have? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 10. What is a monomer? A) A large molecule. B) A small chemical unit that makes up a polymer. C) A type of carbohydrate. D) A type of protein. Show Answer Correct Answer: B) A small chemical unit that makes up a polymer. 11. Which of the following is true about unsaturated fat? A) Molecule has maximum number of hydrogen atoms. B) Elements are hydrogen and oxygen only. C) Low melting point. D) Soluble in water. Show Answer Correct Answer: C) Low melting point. 12. The process of digesting a polysaccharide into individual monosaccharides is called ..... A) Dehydration Synthesis. B) Hydrolysis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrolysis. 13. Which method is used to obtain petrol from petroleum? A) Diffusion. B) Filtration. C) Distillation. D) Fractional distillation. Show Answer Correct Answer: D) Fractional distillation. 14. What is the name of the process for the reaction between a carboxylic acid and an alcohol? A) Oxidation. B) Esterification. C) Hydration. D) Dehydration. Show Answer Correct Answer: B) Esterification. 15. What is the functional group present in amines? A) CH3. B) NH2. C) OH. D) COOH. Show Answer Correct Answer: B) NH2. 16. Both ethane and ethene A) Have the same general formula. B) Have similar physical properties. C) Can decolourise brown bromine water. D) Burn completely in air producing carbon dioxide and water. Show Answer Correct Answer: D) Burn completely in air producing carbon dioxide and water. 17. Which process best describes the assembly of proteins from amino acids? A) Atoms are linked to form a compound. B) Monomers are linked to form a polymer. C) Atoms are added to a monomer until it becomes a polymer. D) Molecules are added to a compound until it becomes a monomer. Show Answer Correct Answer: B) Monomers are linked to form a polymer. 18. Macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes. A) Lipid. B) Protein. C) Carbohydrate. D) Polymer. Show Answer Correct Answer: A) Lipid. 19. Which group of organic compounds contains fatty acids? A) Carbohydrates. B) Lipids. C) Nucleic acids. D) Proteins. Show Answer Correct Answer: B) Lipids. 20. Which property of carbon is important in the forming of many types of organic compounds A) Carbon has 6 electrons. B) Carbon has 6 protons. C) Carbon has 4 valence electrons. D) Carbon can only bond with hydrogen. Show Answer Correct Answer: C) Carbon has 4 valence electrons. 21. What group of compounds that are primarily composed of carbonatoms, which are chemically bonded with hydrogen and other elements such asoxygen, sulfur, and nitrogen? A) Inorganic Compounds. B) Organic Compounds. C) Both A and B. D) None of the choices. Show Answer Correct Answer: B) Organic Compounds. 22. What is an application of alkenes in the production of plastics? A) Alkenes are used as monomers in the production of polyethylene. B) Alkenes are used as catalysts in plastic production. C) Alkenes are used to enhance the flavor of plastics. D) Alkenes are primarily used in the production of rubber. Show Answer Correct Answer: A) Alkenes are used as monomers in the production of polyethylene. 23. Alkenes react with excess oxygen to form A) Carbon dioxide and water. B) Salt and water. C) Carbon monoxide and soot. D) Metal hydroxide and hydrogen HIDE ANSWER. Show Answer Correct Answer: A) Carbon dioxide and water. 24. Hydrogenation of vegetable oils uses a metal to help the reaction go faster. What is this helper called? A) A pigment. B) A vitamin. C) A sweetener. D) A catalyst. Show Answer Correct Answer: D) A catalyst. 25. One function of the lipids in your body is A) To provide protection for your organs. B) Keep you hydrated. C) Maintain homeostasis. D) Provide energy. Show Answer Correct Answer: A) To provide protection for your organs. ← 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