This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 17 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One benefit of litmus paper is that it ..... A) You can make it with materials you have at home. B) It connects to a computer. C) Tells you the pH of a substance. D) It is inexpensive. Show Answer Correct Answer: D) It is inexpensive. 2. Hydrogen with active metals forms: A) Hydrates KH, LiH. B) Ammonia NH$_{3}$. C) Water H$_{2}$O. D) Bases NaOH. Show Answer Correct Answer: A) Hydrates KH, LiH. 3. What is the pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4? A) 6. B) 5. C) 2. D) 3. Show Answer Correct Answer: C) 2. 4. Electrode in a fuel cell are made of A) Copper. B) Hydrogen. C) Oxygen. D) Carbon. Show Answer Correct Answer: D) Carbon. 5. The unusual properties of water in the condensed phase (liquid and solid states) are due to the presence of extensive ..... between water molecules. A) Bond dissociation enthalpy. B) More bond length. C) Less bond angle. D) Hydrogen bonding. Show Answer Correct Answer: D) Hydrogen bonding. 6. ..... is removed from hydrogen gas by dissolving it in ammoniacal cuprous chloride solution A) Carbon dioxide. B) Carbon monoxide. C) Arsine. D) None of the above. Show Answer Correct Answer: B) Carbon monoxide. 7. How do hydrogen bonds affect the behavior of alcohols compared to hydrocarbons? A) Alcohols have lower boiling points than hydrocarbons due to hydrogen bonds. B) Hydrogen bonds do not affect the polarity of alcohols compared to hydrocarbons. C) Hydrogen bonds make alcohols more polar, leading to higher boiling points and greater solubility in water compared to hydrocarbons. D) Hydrogen bonds make alcohols less soluble in water than hydrocarbons. Show Answer Correct Answer: C) Hydrogen bonds make alcohols more polar, leading to higher boiling points and greater solubility in water compared to hydrocarbons. 8. Which pH indicates a basic solution? A) 7. B) 12. C) 1. D) 5. Show Answer Correct Answer: B) 12. 9. What do cohesion, surface tension, and adhesion have in common with reference to water? A) All are properties related to hydrogen bonding. B) All have to do with ionic interactions. C) All are results of the structure of the hydrogen atom. D) All are aspects of a crystalline structure. E) All are produced by covalent bonding. Show Answer Correct Answer: A) All are properties related to hydrogen bonding. 10. A commercial sample of hydrogen peroxide is labelled as 10 volumes. Its percentage strength is nearly: A) 10%. B) 1%. C) 3%. D) 90%. Show Answer Correct Answer: C) 3%. 11. Air is ..... times heavier than hydrogen A) 13.3. B) 14.4. C) 19. D) 13. Show Answer Correct Answer: B) 14.4. 12. What observation indicates that the hydrogen gas produced in the laboratory is pure and ready to be collected? A) The gas burns with a popping sound when tested. B) The gas produces a white smoke when burned. C) The gas burns quietly when tested. D) The reaction mixture stops bubbling. Show Answer Correct Answer: C) The gas burns quietly when tested. 13. Hydrogen Peroxide is known to chemists as ..... A) H2O. B) CH2O2. C) H2O2. D) None of the above. Show Answer Correct Answer: C) H2O2. 14. An atom that has gained energy and moved upwards in the energy levels is said to be ..... A) Excited. B) Grounded. C) Energized. D) Naturalized. Show Answer Correct Answer: A) Excited. 15. 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. 16. 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. 17. 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. 18. 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. 19. 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. 20. ..... 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. 21. Hydrogen Sulfide becomes ..... A) Hydrogen Sulfide. B) Hydrosulfurous acid. C) Hydrosulfuric acid. D) Sulfurous acid. Show Answer Correct Answer: C) Hydrosulfuric acid. 22. Overall Efficiency of Fuel Cell with CHP (Combined Heat and Electrical Power) is in the range of A) 50-60 %. B) 40-50 %. C) 80-85 %. D) 60-70 %. Show Answer Correct Answer: C) 80-85 %. 23. 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. 24. 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. 25. Which is predominant form among Hydrogen Isotopes? A) Tritium. B) Protium. C) One of these. D) Deuterium. Show Answer Correct Answer: B) Protium. 26. What is the standard state of hydrogen at room temperature? A) Liquid. B) Solid. C) Slush. D) Gas. Show Answer Correct Answer: D) Gas. 27. 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. 28. What type of interaction is responsible for the aggregation of non-polar moieties in water? A) Ionic bonding. B) Dispersion interactions. C) Dipole-dipole interactions. D) Hydrogen bonding. Show Answer Correct Answer: B) Dispersion interactions. 29. 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. 30. Hydroghen liquifies in ..... colour A) Yellow. B) None. C) Red. D) Blue. Show Answer Correct Answer: B) None. 31. A metal which cannot be used for preparation of hydrogen using dilute acids A) Zn. B) Pb. C) Cu. D) Fe. Show Answer Correct Answer: C) Cu. 32. Colourless gas which has sharp pungent smell and gives dense white fumes with HCl A) Sulphur dioxide. B) Nitrogen dioxide. C) Hydrogen sulphide. D) Ammonia. Show Answer Correct Answer: D) Ammonia. 33. What is the oxidizing agent of this reaction?3Mg + N$_{2}$$\rightarrow$ Mg$_{3}$N$_{2}$ A) MgN. B) Mg$_{3}$N$_{2}$. C) Mg. D) N$_{2}$. Show Answer Correct Answer: D) N$_{2}$. 34. Which method of producing hydrogen involves agricultural and animal residues? A) Steam reforming. B) Partial Oxidation. C) Water Electrolysis. D) Biomass Pyrolysis. Show Answer Correct Answer: D) Biomass Pyrolysis. 35. Which quantum number distinguishes between different orbitals within the same energy level? A) Magnetic quantum number (ml). B) Spin quantum number (ms). C) Principal quantum number (n). D) Angular momentum quantum number (l). Show Answer Correct Answer: D) Angular momentum quantum number (l). 36. 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. 37. Hydrogen may be used in cooking A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 38. Apparatus used for manufacturing hydrogen must be air tight because A) It is highly basic. B) It is highly inflammable. C) It is highly soluble in air. D) It is highly acidic. Show Answer Correct Answer: B) It is highly inflammable. 39. How does temperature affect the efficiency of a hydrogen fuel cell? A) Temperature has no effect on fuel cell performance. B) Higher temperatures are always harmful to fuel cells. C) Higher temperatures improve efficiency up to a point, but excessive heat can degrade fuel cell materials. D) Lower temperatures always decrease efficiency. Show Answer Correct Answer: C) Higher temperatures improve efficiency up to a point, but excessive heat can degrade fuel cell materials. 40. Potassium burns with ..... coloured flame releasing hydrogen gas A) Blue. B) Lilac. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lilac. 41. Ionic bonding occurs between what? A) Metal and non metal. B) Metal and metal. C) Chemical and physics. D) Solution and solid. Show Answer Correct Answer: A) Metal and non metal. 42. Which statement suggests that electrons have wave properties? A) Electron transitions in atoms produce line spectra. B) Electrons are released when atoms are ionised. C) Electrons are emitted in photoelectric effect experiments. D) Electrons produce dark rings in diffraction experiments. Show Answer Correct Answer: D) Electrons produce dark rings in diffraction experiments. 43. Hydrogen reacts with oxygen to form water in the ratio: A) 8:1. B) 1:8. C) 2:1. D) 1:2. Show Answer Correct Answer: C) 2:1. 44. Which of the following metal evolves hydrogen on reacting with cold dilute HNO$_{3}$ A) Fe. B) Mg. C) Cu. D) Al. Show Answer Correct Answer: B) Mg. 45. What is the role of hydrogen bonds in the structure of DNA? A) They form the backbone of the DNA strand. B) They connect the phosphate groups in the DNA backbone. C) They hold the two strands of the DNA double helix together. D) They are responsible for the replication of DNA. Show Answer Correct Answer: C) They hold the two strands of the DNA double helix together. 46. What is the atomic weight of Sodium. A) 20. B) 10. C) 22. D) 21. Show Answer Correct Answer: C) 22. 47. Which industry primarily uses hydrogen? A) Refinery. B) Transportation. C) Textile. D) Electronics. Show Answer Correct Answer: A) Refinery. 48. Water gas is a mixture of: A) CO$_{2}$ + N$_{2}$. B) CO + H$_{2}$. C) CO + N$_{2}$. D) CO$_{2 }$+ H$_{2}$. Show Answer Correct Answer: B) CO + H$_{2}$. 49. The reaction in which water molecules produce ions is called ..... A) Self-ionization of water. B) Acid-base reaction. C) Dissociation of water. D) The pH constant. Show Answer Correct Answer: A) Self-ionization of water. 50. Which process in water cycle returns water back to the surface of Earth? A) Sublimation. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: D) Precipitation. 51. In which process is hydrogen used as a coolant? A) Food refrigeration. B) Powerplant. C) Automobile. D) Automobiles. Show Answer Correct Answer: B) Powerplant. 52. Liquid HCl boils at ..... A) 81$^{0}$C. B) 82$^{0}$C. C) 83$^{0}$C. D) None of the above. Show Answer Correct Answer: C) 83$^{0}$C. 53. Which property of water allows it to dissolve many ionic compounds? A) High surface tension. B) Polarity and hydrogen bonding. C) Low viscosity. D) High boiling point. Show Answer Correct Answer: B) Polarity and hydrogen bonding. 54. What country has the highest number of hydrogen refueling stations after the United States? A) China. B) Brazil. C) Germany. D) Japan. Show Answer Correct Answer: C) Germany. 55. Which statement about the electromagnetic spectrum is not correct? A) The frequency of visible radiation is higher than the frequency of ultraviolet radiation. B) The energy of infrared radiation is lower than the energy of ultraviolet radiation. C) The wavelength of ultraviolet radiation is shorter than infrared radiation. D) Wavelength is inversely proportional to frequency. Show Answer Correct Answer: A) The frequency of visible radiation is higher than the frequency of ultraviolet radiation. 56. Permanent hardness of water can be removed by adding ..... A) A) chlorides salt. B) B) washing soda. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) washing soda. 57. What type of reaction is the industrial method of Bosch Method to produce hydrogen? A) Double displacement reaction. B) Decomposition reaction. C) Single displacement reaction. D) Synthesis reaction. Show Answer Correct Answer: D) Synthesis reaction. 58. What types of intermolecular forces are stronger than hydrogen bonds? A) Van der Waals forces. B) London dispersion forces. C) Ionic bonds, covalent bonds. D) Dipole-dipole interactions. Show Answer Correct Answer: C) Ionic bonds, covalent bonds. 59. Simulations were ran at which of the following time frame? A) 30 sec. B) No frames existed. C) Once every 24 hrs. D) 0.1 psec for 100 sec. Show Answer Correct Answer: D) 0.1 psec for 100 sec. 60. Which of the followings is not an abundance of hydrogen in nature? A) Water. B) Hydrides. C) Air. D) Carbonates. Show Answer Correct Answer: C) Air. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books