This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydrogen Peroxide is known to chemists as ..... A) H2O. B) CH2O2. C) H2O2. D) None of the above. Show Answer Correct Answer: C) H2O2. 2. What is the role of the electrolyte in a hydrogen fuel cell? A) The electrolyte allows protons to pass while blocking electrons, enabling electricity generation. B) The electrolyte allows electrons to pass while blocking protons. C) The electrolyte conducts electrons to generate heat. D) The electrolyte serves as a fuel source for the cell. Show Answer Correct Answer: A) The electrolyte allows protons to pass while blocking electrons, enabling electricity generation. 3. An atom that has gained energy and moved upwards in the energy levels is said to be ..... A) Excited. B) Energized. C) Naturalized. D) Grounded. Show Answer Correct Answer: A) Excited. 4. Intermolecular hydrogen bonding is present in salicylic acid. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. How does geothermal energy contribute to sustainable development? A) Geothermal energy has no impact on job creation. B) Geothermal energy relies on fossil fuels for production. C) Geothermal energy contributes to sustainable development by offering a renewable, low-emission energy source that enhances energy security and creates jobs. D) Geothermal energy is primarily used for transportation. Show Answer Correct Answer: C) Geothermal energy contributes to sustainable development by offering a renewable, low-emission energy source that enhances energy security and creates jobs. 6. How does hydrogen bonding influence the structure of ice compared to liquid water? A) Hydrogen bonding makes ice denser than liquid water. B) Hydrogen bonding causes ice to have a crystalline structure that is less dense than liquid water. C) Hydrogen bonding has no effect on the structure of ice. D) Hydrogen bonding makes ice more soluble in water. Show Answer Correct Answer: B) Hydrogen bonding causes ice to have a crystalline structure that is less dense than liquid water. 7. Which statement is true regarding reduction reaction- A) Reduction reaction is not a chemical process. B) It involves reduction of oxygen. C) It involves reduction of hydrogen. D) It involves addition of hydrogen and removal of oxygen. Show Answer Correct Answer: D) It involves addition of hydrogen and removal of oxygen. 8. Check all that apply. The making of a dam is harmful because A) It takes too many jobs from other industries. B) It floods out wildlife areas. C) It causes a shortage of concrete in the local area. D) None of the above. Show Answer Correct Answer: B) It floods out wildlife areas. 9. ..... is formed when metal reacts with water. A) Hydroxide. B) Metal hydroxide. C) Hydride. D) None of the above. Show Answer Correct Answer: B) Metal hydroxide. 10. Hydrogen Sulfide becomes ..... A) Sulfurous acid. B) Hydrosulfurous acid. C) Hydrosulfuric acid. D) Hydrogen Sulfide. Show Answer Correct Answer: C) Hydrosulfuric acid. 11. Overall Efficiency of Fuel Cell with CHP (Combined Heat and Electrical Power) is in the range of A) 40-50 %. B) 50-60 %. C) 60-70 %. D) 80-85 %. Show Answer Correct Answer: D) 80-85 %. 12. Which acid is not used in the preparation of hydrogen from metals? A) Sulphuric acid. B) Hydrochloric acid. C) Nitric acid. D) None of the above. Show Answer Correct Answer: C) Nitric acid. 13. Fuel cells require both an anode and a cathode to work. A) True, they require both. B) False, require just an anode. C) False, requirede just a cathode. D) None of the above. Show Answer Correct Answer: A) True, they require both. 14. Which is predominant form among Hydrogen Isotopes? A) Protium. B) Deuterium. C) Tritium. D) One of these. Show Answer Correct Answer: A) Protium. 15. What is the standard state of hydrogen at room temperature? A) Solid. B) Liquid. C) Gas. D) Slush. Show Answer Correct Answer: C) Gas. 16. How does a change in pH affect catalase activity? A) A change in pH has no effect on catalase activity. B) A change in pH increases the speed of catalase activity. C) A change in pH can affect the shape and structure of the catalase enzyme, leading to a decrease in its activity. D) A change in pH causes catalase to become inactive. Show Answer Correct Answer: C) A change in pH can affect the shape and structure of the catalase enzyme, leading to a decrease in its activity. 17. What type of interaction is responsible for the aggregation of non-polar moieties in water? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Dipole-dipole interactions. Show Answer Correct Answer: C) Dispersion interactions. 18. The boiling point of polar molecules is ..... the boiling point of nonpolar molecules. A) Lower than. B) Equal to. C) Higher than. D) None of the above. Show Answer Correct Answer: C) Higher than. 19. Hydroghen liquifies in ..... colour A) Yellow. B) None. C) Red. D) Blue. Show Answer Correct Answer: B) None. 20. A metal which cannot be used for preparation of hydrogen using dilute acids A) Zn. B) Fe. C) Pb. D) Cu. Show Answer Correct Answer: D) Cu. 21. Colourless gas which has sharp pungent smell and gives dense white fumes with HCl A) Nitrogen dioxide. B) Sulphur dioxide. C) Hydrogen sulphide. D) Ammonia. Show Answer Correct Answer: D) Ammonia. 22. What is the oxidizing agent of this reaction?3Mg + N$_{2}$$\rightarrow$ Mg$_{3}$N$_{2}$ A) Mg. B) N$_{2}$. C) Mg$_{3}$N$_{2}$. D) MgN. Show Answer Correct Answer: B) N$_{2}$. 23. Which method of producing hydrogen involves agricultural and animal residues? A) Steam reforming. B) Partial Oxidation. C) Biomass Pyrolysis. D) Water Electrolysis. Show Answer Correct Answer: C) Biomass Pyrolysis. 24. Which quantum number distinguishes between different orbitals within the same energy level? A) Principal quantum number (n). B) Angular momentum quantum number (l). C) Magnetic quantum number (ml). D) Spin quantum number (ms). Show Answer Correct Answer: B) Angular momentum quantum number (l). 25. Water is a liquid because A) Intermolecular hydrogen bonding. B) Intramolecular hydrogen bonding. C) Ionic bond. D) All of these. Show Answer Correct Answer: A) Intermolecular hydrogen bonding. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 1Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 2Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 3Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 4Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 5Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 6Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 7Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 8Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 9Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books