This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following substances can undergo a dehydration reaction? A) Butanoic acid. B) Octanol. C) Ethanoic acid. D) Methanol. Show Answer Correct Answer: B) Octanol. 2. Ethanol on complete oxidation gives A) Acetic acid/ethanoic acid. B) CO2 and water. C) Ethanal. D) Acetone/ethanone. Show Answer Correct Answer: B) CO2 and water. 3. What is an alkane? A) Alkanes are aromatic compounds with the formula CnH2n-2. B) Alkanes are unsaturated hydrocarbons with the formula CnH2n. C) Alkanes are saturated hydrocarbons with the general formula CnH2n+2. D) Alkanes are cyclic hydrocarbons with the formula CnH2n. Show Answer Correct Answer: C) Alkanes are saturated hydrocarbons with the general formula CnH2n+2. 4. Ethyne is a triple bond classifies it as an alkane, which is also unsaturated carbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. What is Ribonucleic acid (RNA)? A) A nucleic acid containing the sugar ribose, which plays a crucial role in protein synthesis and gene regulation. B) A type of protein that helps in the formation of DNA. C) A carbohydrate that provides energy to cells. D) A lipid that forms the cell membrane. Show Answer Correct Answer: A) A nucleic acid containing the sugar ribose, which plays a crucial role in protein synthesis and gene regulation. 6. Why do atoms share electrons? A) To attain the electron configuration of a noble gas. B) To become ions and take a charge. C) To increase the mass. D) It's a nice thing to do. Show Answer Correct Answer: A) To attain the electron configuration of a noble gas. 7. Some vitamins dissolve in fats. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. Which type of bonding is present within organic molecules? A) Covalent bond. B) Ionic bond. C) Metallic bond. D) Hydrogen bond. Show Answer Correct Answer: A) Covalent bond. 9. Combustion of carbon compounds gives ..... A) Carbon dioxide, heat and light. B) Carbon monoxide. C) Carbon. D) Heat and light only. Show Answer Correct Answer: A) Carbon dioxide, heat and light. 10. Dehydrating ethanol in presence of sulphuric acid will give A) Ethanoic acid. B) Ethane. C) Ethene. D) Methane. Show Answer Correct Answer: C) Ethene. 11. A property of organic compound that is the measure of how easily a material burns. A) Odor. B) Volatility. C) Viscosity. D) Flammability. Show Answer Correct Answer: D) Flammability. 12. What is the building block or monomer for lipids? A) Amino acids. B) Fatty acid & Glycerol. C) Nucleotides. D) Monosaccharides. Show Answer Correct Answer: B) Fatty acid & Glycerol. 13. Phenomenon whereby two or more molecules are found to have the same molecular formula but different structural formula. A) Isomers. B) Isomerism. C) Alkyl group. D) Structural formula. Show Answer Correct Answer: B) Isomerism. 14. Which of the following is not a function of proteins? A) Enzymatic action. B) Immunity. C) Insulation. D) Transport. Show Answer Correct Answer: C) Insulation. 15. How many carbon atoms are in butane? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 16. Identify the compound:C2H5OH. A) Isopropanol. B) Methanol. C) Ethanol. D) Butanol. Show Answer Correct Answer: C) Ethanol. 17. Ionic bonds form between metals and ..... A) Metalloids. B) Metals. C) Nonmetals. D) None of the above. Show Answer Correct Answer: C) Nonmetals. 18. How many structural isomers can be formed for butane? A) 3. B) 5. C) 2. D) 4. Show Answer Correct Answer: C) 2. 19. How many covalent bonds are there in a molecule of ethane (C2H6)? A) Four. B) Five. C) Two. D) Seven. Show Answer Correct Answer: D) Seven. 20. Explain the process of combustion in hydrocarbons. A) Combustion in hydrocarbons is a chemical reaction with oxygen that produces carbon dioxide, water, and energy. B) Hydrocarbons combust in the absence of oxygen, producing only heat. C) Combustion is a process that cools hydrocarbons without any chemical change. D) Combustion in hydrocarbons only produces nitrogen and sulfur dioxide. Show Answer Correct Answer: A) Combustion in hydrocarbons is a chemical reaction with oxygen that produces carbon dioxide, water, and energy. 21. Methylpropene is a isomer of ..... A) Butene. B) Pentene. C) Propene. D) Hexene. Show Answer Correct Answer: A) Butene. 22. Which monomer is the basic building block of a lipid? A) Amino acid. B) Monosaccharide. C) Nucleotide. D) Fatty acid. Show Answer Correct Answer: D) Fatty acid. 23. When two atoms share electrons, a chemical bond is formed. This type of bond is called: A) Covalent bond. B) Ionic bond. C) Crystal bond. D) Polyatomic bond. Show Answer Correct Answer: A) Covalent bond. 24. What is the general formula for carboxylic acid?Apakah formula am asid karboksilik? A) C$_{n}$H$_{2n+2}$. B) C$_{n}$H$_{2n+1}$OH. C) C$_{n}$H$_{2n+1}$COOH. D) C$_{n}$H$_{2n+1}$COOC$_{m}$H$_{2m+1}$. Show Answer Correct Answer: C) C$_{n}$H$_{2n+1}$COOH. 25. A plant starch that gives many plants most of their structure: A) Sucrose. B) Glycogen. C) Glucose. D) Cellulose. Show Answer Correct Answer: D) Cellulose. ← 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