This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 4 Carbon And Its Compounds – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 4 Carbon And Its Compounds Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When ethanol is oxidised with potassium dichromate, K$_{2}$Cr$_{2}$O$_{7}$, the organic product is A) Ethanol. B) Ethene. C) Ethanoic acid. D) Ethanal. Show Answer Correct Answer: C) Ethanoic acid. 2. Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body. A) Nucleic Acid. B) Amino Acid. C) Monomer. D) Carbohydrate. Show Answer Correct Answer: D) Carbohydrate. 3. Fullerene is soluble in many solvent. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Cellulose, a polysaccharide (plant starch), provides what for plants? A) Safety. B) Structure. C) Flexibility. D) Heat. Show Answer Correct Answer: B) Structure. 5. A hydrocarbon has four carbon atoms. Give its molecular formula if it is an alkene. A) C4H10. B) C4H8. C) C4H6. D) C4H4. Show Answer Correct Answer: B) C4H8. 6. Which among the following is an example of inorganic compounds? A) Honey. B) Baking Soda. C) Milk. D) Corn Oil. Show Answer Correct Answer: B) Baking Soda. 7. Which biomolecule holds your genetic code? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 8. ..... is the stringy, fibrous material that serves as a strengthening tissue in the cell walls of plants. A) Glycogen. B) Sugar. C) Cellulose. D) Starch. Show Answer Correct Answer: C) Cellulose. 9. What is added to make ethanol unfit for consumption A) Ethanoic acid. B) Water. C) Kerosene. D) Methanol. Show Answer Correct Answer: D) Methanol. 10. What is the functional group present in esters? A) -COO-. B) -SH. C) -OH. D) -NH2. Show Answer Correct Answer: A) -COO-. 11. Reaction that chains amino acids or sugars together into polymers by removing water: A) Dehydration synthesis. B) Hydrolysis. C) Combustion. D) Reduction. Show Answer Correct Answer: A) Dehydration synthesis. 12. When we think "carbohydrates", we should think: A) Eggs and Dairy. B) Meats and Cheeses. C) DNA and RNA. D) Sugars and Starches. Show Answer Correct Answer: D) Sugars and Starches. 13. Proteins contain A) C, H, O. B) C, H, O, N. C) C.H.O, N, P. D) Nucleic acids. Show Answer Correct Answer: B) C, H, O, N. 14. What chemical is suitable to prevent the coagulation of latex? A) Ammonia. B) Sodium hydroxide. C) Sulphuric acid. D) Methanoic acid. Show Answer Correct Answer: A) Ammonia. 15. Which among the following has a larger molar mass? A) CH$_{4}$. B) C$_{4}$H$_{4}$. C) C$_{4}$H$_{8}$. D) C$_{4}$H$_{10}$. Show Answer Correct Answer: D) C$_{4}$H$_{10}$. 16. What term describes alkene molecules that contain a C=C double bond? A) Saturated. B) Unsaturated. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unsaturated. 17. Covalent bonds A) Involves a transfer of an electron, so one atom gains an electron while one atom loses an electron. B) Involves the sharing of electrons between two atoms. C) Two atoms connected by a covalent bond may exert different attractions for the electrons in the bond, producing an unevenly distributed charge. D) Because they're polarized, two adjacent H$_{2}$O (water) molecules can form a linkage. Show Answer Correct Answer: B) Involves the sharing of electrons between two atoms. 18. The chemical equation below shows the combustion of butane in excess oxygen. What are the values of a, b, c, d?aC$_{4}$H$_{10}$ + bO$_{2}$ $\rightarrow$ cCO$_{2}$ + dH$_{2}$O A) A=1 ; b=6; c=4; d=4. B) A=1; b=7; c=4; d=5. C) A=2; b=13; c=8; d=8. D) A=2; b=13; c=8; d=10. Show Answer Correct Answer: D) A=2; b=13; c=8; d=10. 19. Propanoic acid reacts with calcium carbonate to produce gas X.Gas X can be tested with A) Bromine water. B) Lighted wooden splinter. C) Glowing wooden splinter. D) Lime water. Show Answer Correct Answer: D) Lime water. 20. General formula of Alkene is A) C$_{n}$H$_{2n+2}$. B) C$_{n}$H$_{2n}$. C) C$_{n}$H$_{2n+1}$OH. D) C$_{n}$H$_{2n+1}$COOH. Show Answer Correct Answer: B) C$_{n}$H$_{2n}$. 21. This is the name of the building block or monomer for Nucleic Acids: A) Fatty acid & Glycerol. B) Amino Acid. C) Monosaccharide. D) Nucleotide. Show Answer Correct Answer: D) Nucleotide. 22. Pregnant mothers can cause defect on their babies if they consumed alcohol during pregnancy. True or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Which of the following organic compound has a triple bond? A) C3H2. B) C3H4. C) C3H6. D) C3H8. Show Answer Correct Answer: B) C3H4. 24. What is cellulose? A) A simple sugar. B) A polysaccharide that gives plants rigidity. C) A type of protein. D) A type of lipid. Show Answer Correct Answer: B) A polysaccharide that gives plants rigidity. 25. What colour does bromine water turn in the presence of an alkene A) Orange. B) Blue. C) Colourless. D) Green. Show Answer Correct Answer: C) Colourless. ← 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