This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many Neutrons does Protium has? A) 0. B) 2. C) 1. D) 3. Show Answer Correct Answer: A) 0. 2. Which statement about hydrogen is not correct? A) Water is formed when a lighted splint is placed in a gas jar of hydrogen. B) Hydrogen reacts with ethane to produce ethene. C) Hydrogen is used as a rocket fuel. D) Sodium reacts with water to produce hydrogen. Show Answer Correct Answer: B) Hydrogen reacts with ethane to produce ethene. 3. Select the odd one out Fe, Pb, Al, Zn A) Zn. B) Fe. C) Al. D) Pb. Show Answer Correct Answer: B) Fe. 4. As an acidic solution is added to a basic solution, the pH of the basic solution A) Decreases. B) Increases. C) Remains the same. D) None of the above. Show Answer Correct Answer: A) Decreases. 5. The metal impurities present in in Zinc granules which helps in catalysing the hydrogen preparation A) Fe. B) Al. C) Ag. D) Cu. Show Answer Correct Answer: D) Cu. 6. The chemical substance helps to absorb are seen and phosphine gas from impure hydrogen A) Potassium nitrate. B) Sodium nitrate. C) Silver nitrate. D) Lead nitrate. Show Answer Correct Answer: C) Silver nitrate. 7. What is a major challenge in the adoption of hydrogen as a fuel? A) The existing fossil-fuel infrastructure. B) Its flammability. C) Its low energy density. D) The scarcity of hydrogen on Earth. Show Answer Correct Answer: A) The existing fossil-fuel infrastructure. 8. Which of these fuel cell operates at temperature below 100 $^{0}$C? A) Phosphoric acid fuel cell. B) Solid polymer electrolyte fuel cell. C) Molten carbonate fuel cell. D) None of the above. Show Answer Correct Answer: B) Solid polymer electrolyte fuel cell. 9. Which is least soluble in water A) BaSO4. B) Na2SO4. C) CaSO4. D) MgSO4. Show Answer Correct Answer: A) BaSO4. 10. In the context of hydrogen bonding, what is the role of the oxygen atom in a water molecule? A) Electron acceptor. B) Hydrogen donor. C) Hydrogen acceptor. D) Electron donor. Show Answer Correct Answer: C) Hydrogen acceptor. 11. What is the effect of temperature on catalase activity? A) It increases continuously with temperature. B) It increases initially with temperature, but then decreases as the temperature becomes too high and denatures the enzyme. C) It decreases as the temperature increases. D) It has no effect on catalase activity. Show Answer Correct Answer: B) It increases initially with temperature, but then decreases as the temperature becomes too high and denatures the enzyme. 12. The very active metal like sodium, pottasium and calcium liberate hydrogen gas from ..... and other product being an ..... A) Acid, mettalic hydroxides. B) Cold water, mettalic hydroxides. C) Warm water, base. D) None of the following. Show Answer Correct Answer: B) Cold water, mettalic hydroxides. 13. Nitric acid and hydrochloric acid are A) Weak electrolyte. B) Strong electrolyte. C) None. D) None of the above. Show Answer Correct Answer: B) Strong electrolyte. 14. Name the electrolyte used in PEMFC. A) Phosphoric acid. B) Solid Polymer. C) KOH. D) None of the above. Show Answer Correct Answer: B) Solid Polymer. 15. In which of the following scenarios are hydrogen bonds most likely to form? A) Between two nonpolar molecules. B) Between a hydrogen atom and a highly electronegative atom. C) Between two hydrogen atoms. D) Between two carbon atoms. Show Answer Correct Answer: B) Between a hydrogen atom and a highly electronegative atom. 16. Which of the following process will produce hardwater? A) Saturation of water with MgCO$_{3}$. B) Saturation of water with CaCO$_{3}$. C) Addition of Na$_{2}$CO water. D) Saturation of water with CaSO$_{4}$. Show Answer Correct Answer: D) Saturation of water with CaSO$_{4}$. 17. What safety measures are important in hydrogen fuel cell technology? A) Important safety measures in hydrogen fuel cell technology include leak detection, proper storage, pressure regulation, and personnel training. B) Using gasoline as a fuel source. C) Ignoring ventilation requirements. D) Storing hydrogen at room temperature. Show Answer Correct Answer: A) Important safety measures in hydrogen fuel cell technology include leak detection, proper storage, pressure regulation, and personnel training. 18. WHICH IS THE HIGHEST WAVE LENGTH RADIATION A) N=infinity to n= infinity-1. B) N=1 to n=infinity. C) N=1 to n=6. D) N=1. Show Answer Correct Answer: A) N=infinity to n= infinity-1. 19. What is the [H$^{+}$] in a solution with a pH of 11? A) 1 x 10$^{-11}$ M. B) 1 x 10$^{11}$ M. C) 1 x 10$^{-1}$ M. D) 1 x 10$^{-2}$ M. Show Answer Correct Answer: A) 1 x 10$^{-11}$ M. 20. What is the significance of hydrogen bonds in water? A) They do not exist in water. B) They contribute to water's high boiling point and cohesion. C) They are responsible for water's low boiling point. D) They make water a non-polar molecule. Show Answer Correct Answer: B) They contribute to water's high boiling point and cohesion. 21. A hydrogen bond is ..... than a covalent bond but ..... than van der Waals forces. A) Stronger, stronger. B) Weaker, weaker. C) Stronger, weaker. D) Weaker, stronger. Show Answer Correct Answer: D) Weaker, stronger. 22. What has been a historical obstacle to hydrogen's widespread adoption as a fuel? A) Lack of hydrogen in the universe. B) Public perception of safety. C) Inability to store hydrogen safely. D) Difficulty in converting hydrogen to electricity. Show Answer Correct Answer: B) Public perception of safety. 23. How is geothermal energy harnessed? A) Geothermal energy is harnessed by drilling wells to access steam and hot water from the Earth's interior. B) By using solar panels to convert sunlight into energy. C) Through the process of photosynthesis in plants. D) By burning fossil fuels to generate heat. Show Answer Correct Answer: A) Geothermal energy is harnessed by drilling wells to access steam and hot water from the Earth's interior. 24. Which has the LONGEST wavelength and, therefore, the lowest frequency/energy A) Radio Waves. B) Visible Light. C) Gamma Rays. D) Infrared rays. Show Answer Correct Answer: A) Radio Waves. 25. Hydrogen is ..... by nature A) Heavy. B) Combustile. C) Non combustile. D) None of these. Show Answer Correct Answer: B) Combustile. 26. In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by A) Van der Waals interactions. B) Polar covalent bonds. C) Hydrogen bonds. D) Nonpolar covalent bonds. E) Ionic bonds. Show Answer Correct Answer: B) Polar covalent bonds. 27. The pH of a solution is 7. When acid is added to the solution, the hydronium ion concentration becomes 100 times greater. What is the pH of the new solution? A) 14. B) 9. C) 5. D) 1. Show Answer Correct Answer: C) 5. 28. A ..... coloured flame is produced when sodium is reacted with water to release hydrogen gas A) Green. B) Golden yellow. C) All the above. D) None of the above. Show Answer Correct Answer: B) Golden yellow. 29. What is the relationship between hydrogen bonding and pH in biological systems? A) Hydrogen bonding is unrelated to molecular stability in biological systems. B) PH only influences temperature, not hydrogen bonding. C) Hydrogen bonding influences molecular stability and function, while pH affects the ionization state of molecules, thereby altering hydrogen bonding in biological systems. D) Hydrogen bonding has no effect on pH levels in biological systems. Show Answer Correct Answer: C) Hydrogen bonding influences molecular stability and function, while pH affects the ionization state of molecules, thereby altering hydrogen bonding in biological systems. 30. Which of the following oxide is different than the others? A) CO$_{2}$. B) CaO. C) P$_{2}$O$_{5}$. D) SO$_{3}$. Show Answer Correct Answer: B) CaO. 31. What is the efficiency range of hydrogen fuel cells? A) 40% to 60%. B) 10% to 15%. C) 70% to 80%. D) 20% to 30%. Show Answer Correct Answer: A) 40% to 60%. 32. An element that burns explosively with Hydrogen A) Oxygen. B) Zinc. C) Aluminium. D) Helium. Show Answer Correct Answer: A) Oxygen. 33. What is the main factor that determines the solubility of a solute in a non-polar solvent? A) Dispersion interactions. B) Dipole-dipole interactions. C) Ionic bonding. D) Hydrogen bonding. Show Answer Correct Answer: A) Dispersion interactions. 34. How many electrons does a hydrogen atom have? A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: D) 1. 35. ..... is used for the preparation of other deuterium compounds A) Compounds of isotopes don't exist. B) Heavy Hydrogen. C) Hydrogen. D) Heavy Water. Show Answer Correct Answer: D) Heavy Water. 36. Fill in the blanks:-Water(super heated steam) is made to react with Carbon ..... to form water gas. A) Carbonate. B) White-hot coke. C) (C). D) Monoxide. Show Answer Correct Answer: B) White-hot coke. 37. Molecular formula for heavy water A) A) T$_{2}$O. B) B) D$_{2}$O. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) D$_{2}$O. 38. Does Hydrogen need neutrons? A) SOMETIMES. B) YES. C) NO. D) DEPENDS. Show Answer Correct Answer: C) NO. 39. Operating Temperature range for PEM type of Fuel Cell is A) 40-120 Degree Centigrade. B) 150-200 Degree Centigrade. C) 700 to 1000 Degree Centigrade. D) 600 to 700 Degree Centigrade. Show Answer Correct Answer: A) 40-120 Degree Centigrade. 40. What is the role of the catalyst in a hydrogen fuel cell? A) To cool the cell. B) To increase the rate of the reaction. C) To absorb water. D) To store hydrogen. Show Answer Correct Answer: B) To increase the rate of the reaction. 41. Dihydrogen is ..... molecule. A) Covalent. B) Electrovalent. C) Semi ionic. D) Polar. Show Answer Correct Answer: A) Covalent. 42. The presence of hydrogen bonds in water causes it to have a relatively high ..... point. A) Cooling. B) Boiling. C) Heating. D) Evaporation. Show Answer Correct Answer: B) Boiling. 43. Which type of reaction is:H$_{2}$ + O$_{2}$ $\rightarrow$ H$_{2}$O A) Double Displacement. B) Decomposition. C) Single Displacement. D) Synthesis. Show Answer Correct Answer: D) Synthesis. 44. When were fuel cells first used in space? A) Apollo Program. B) Space Shuttle Program. C) Gemini Program. D) None of the above. Show Answer Correct Answer: A) Apollo Program. 45. Which property of water allows it to moderate temperature changes in organisms? A) Low heat capacity. B) Low boiling point. C) High heat capacity. D) Low freezing point. Show Answer Correct Answer: C) High heat capacity. 46. Name an oxidising which does not have oxygen A) Conc sulphuric acid. B) Ozone. C) Bleaching powder. D) Bromine. Show Answer Correct Answer: D) Bromine. 47. What is the potential reduction in carbon emissions if the US switched its medium and heavy-duty vehicles to clean hydrogen? A) 10%. B) 25%. C) 75%. D) 50%. Show Answer Correct Answer: D) 50%. 48. What is one of the challenges of using hydrogen fuel cells in transportation? A) The color of the hydrogen. B) Producing enough electricity. C) The speed of the vehicles. D) The availability of refueling infrastructure. Show Answer Correct Answer: D) The availability of refueling infrastructure. 49. What is the main source of Blue hydrogen production? A) Natural Gas. B) Coal. C) Wind Power. D) Solar Power. Show Answer Correct Answer: A) Natural Gas. 50. NaH is an example of A) Metallic hydride. B) Saline hydride. C) Electron-rich hydride. D) Molecular hydride. Show Answer Correct Answer: B) Saline hydride. 51. The distance between two adjacent lines in the Hydrogen spectrum increase with the increasing frequency2. The energy gap between consecutive energy levels increase rapidly in a hydrogen atom when energy levels move further away from the nucleus.The above 2 statements respectively are, A) True, False. B) False, True. C) False, False. D) True, True. Show Answer Correct Answer: C) False, False. 52. Can hydrogen bonds form between molecules of the same type? A) Yes, but only in the presence of a catalyst. B) Hydrogen bonds cannot form at all between any molecules. C) No, hydrogen bonds can only form between different types of molecules. D) Yes, hydrogen bonds can form between molecules of the same type. Show Answer Correct Answer: D) Yes, hydrogen bonds can form between molecules of the same type. 53. Which intermolecular force results from a hydrogen bonded to O, F or N? A) London Dispersion. B) Dipole-Dipole. C) Hydrogen Bonding. D) Ion-Dipole. Show Answer Correct Answer: C) Hydrogen Bonding. 54. The reagent commonly used to determine the hardness of water titrimetrically is: A) Sodium thiosulphate. B) Oxalic acid. C) Disodium salt of EDTA. D) Sodium citrate. Show Answer Correct Answer: C) Disodium salt of EDTA. 55. When it reacts with both acids and alkalis it is called A) Amphoteric. B) Oxidation. C) Reduction. D) None. Show Answer Correct Answer: A) Amphoteric. 56. In a water molecule, oxygen has a: A) Slight positive charge. B) Strong positive chargeTagsSYI-1ATopic-1.1. C) Slight negative charge. D) Neutral charge. Show Answer Correct Answer: C) Slight negative charge. 57. The commonly used electrolyte in H2O2 Fuel cell A) KOH. B) H2SO4. C) Platinum. D) None of the above. Show Answer Correct Answer: A) KOH. 58. What is the main byproduct of a hydrogen fuel cell? A) Oxygen. B) Carbon dioxide. C) Water. D) Methane. Show Answer Correct Answer: C) Water. 59. Hydrogen bonds ..... as compared to the covalent bonds. A) Are weaker. B) Have fluctuating strengths. C) Are of equal strength. D) Are stronger. Show Answer Correct Answer: A) Are weaker. 60. As the frequency of an electromagnetic wave increases, the amount of energy in that wave ..... A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. ← 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