This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is a process by which hydrogen gas is passed through vegetable oils A) Catalyst. B) Catalytic hydrogenation. C) Catalystic oxygen. D) None. Show Answer Correct Answer: B) Catalytic hydrogenation. 2. Hydrogen can be maintained into its liquid state by ..... A) Storing it in pressurized and thermally insulated containers. B) Storing it in pressurized and heated containers. C) Storing it in high volume and thermally insulated containers. D) Storing it in high volume and heated containers. Show Answer Correct Answer: A) Storing it in pressurized and thermally insulated containers. 3. A hydrogen fuel cell is most similar to? A) A Source of coal. B) A Photovoltaic cell. C) An Engine. D) A Battery. Show Answer Correct Answer: D) A Battery. 4. Which of the following effects is produced by the high surface tension of water? A) Lakes don't freeze solid in winter, despite low temperatures. B) A water strider can walk across the surface of a small pond. C) Organisms resist temperature changes, although they give off heat due to chemical reactions. D) Water can act as a solvent. E) The pH of water remains exactly neutral. Show Answer Correct Answer: B) A water strider can walk across the surface of a small pond. 5. Which of the following reaction represents laboratory preparation of hydrogen A) Zn + 2HCl $\rightarrow$ ZnCl2 + H2. B) NaH + H2O $\rightarrow$ NaOH + H2. C) All the above. D) None of the above. Show Answer Correct Answer: A) Zn + 2HCl $\rightarrow$ ZnCl2 + H2. 6. What is the main reason why hydrogen is more difficult to store than diesel? A) Hydrogen is a gas at room temperature but diesel is a liquid. B) Hydrogen can be liquefied by cooling it. C) Hydrogen can be stored under pressure. D) None of the above. Show Answer Correct Answer: A) Hydrogen is a gas at room temperature but diesel is a liquid. 7. Lyman series is formed when electrons fall from higher energy levels to ..... A) N = 1. B) N = 2. C) N = 3. D) N = 4. Show Answer Correct Answer: A) N = 1. 8. What vehicle does hydrogen power A) Airplanes. B) Cars. C) Trains. D) All of the above. Show Answer Correct Answer: B) Cars. 9. Haber Process is the manufacture of: A) Hydrogen. B) Hydrogen sulphide. C) Hydrogen chloride. D) Ammonia. Show Answer Correct Answer: D) Ammonia. 10. What is the significance of the geothermal gradient? A) It indicates the temperature of the Earth's surface only. B) It helps in predicting weather patterns. C) The geothermal gradient is significant for assessing geothermal energy resources and understanding geological processes. D) It is used to measure ocean currents. Show Answer Correct Answer: C) The geothermal gradient is significant for assessing geothermal energy resources and understanding geological processes. 11. In which type of reaction reduction and oxidation takes place silmuntaneously A) Redox. B) Rebook. C) Catalytic hydrogenation. D) None. Show Answer Correct Answer: A) Redox. 12. In Bosch process, how is unreacted carbon monoxide separated A) By cooling the mixture. B) By passing through ammoniacal cuprous chloride. C) By dissolving the mixture in caustic potash. D) By reversing the flow of the mixture. Show Answer Correct Answer: B) By passing through ammoniacal cuprous chloride. 13. How many electrons can fit in the first shell? A) 2. B) 8. C) 18. D) 32. Show Answer Correct Answer: A) 2. 14. Which of the allotropes of sulphur has amber colour with needle shape? A) Rhombic sulphur. B) Flower suiphur. C) Monoclinic sulphur. D) Plastic sulphur. Show Answer Correct Answer: C) Monoclinic sulphur. 15. What type of bond is primarily responsible for the unique properties of water, including its high specific heat and surface tension? A) Ionic bond. B) Covalent bond. C) Hydrogen bond. D) Metallic bond. Show Answer Correct Answer: C) Hydrogen bond. 16. Complete the following word equation:2NaOH + Zn $\rightarrow$ ..... +H$_{2}$ A) Na$_{2}$ZnO$_{2}$. B) NaZnO$_{2}$. C) Na$_{2}$Zn$_{2}$O. D) NaZnO. Show Answer Correct Answer: A) Na$_{2}$ZnO$_{2}$. 17. In the Bohr model, what happens when an electron jumps from a higher energy level to a lower one? A) The atom becomes ionized. B) A photon is emitted. C) The electron is destroyed. D) The nucleus changes. Show Answer Correct Answer: B) A photon is emitted. 18. What is the impact of hydrogen bonding on the density of water? A) Hydrogen bonding has no effect on the density of water. B) Hydrogen bonding decreases the density of ice compared to liquid water. C) Hydrogen bonding increases the density of ice compared to liquid water. D) Hydrogen bonding makes liquid water less dense than steam. Show Answer Correct Answer: B) Hydrogen bonding decreases the density of ice compared to liquid water. 19. What is the role of the electrolyte in a hydrogen-oxygen fuel cell? A) To transfer electrons directly between electrodes. B) To facilitate the movement of ions between the anode and cathode. C) To provide a source of hydrogen gas. D) To produce water as a byproduct. Show Answer Correct Answer: B) To facilitate the movement of ions between the anode and cathode. 20. Which of the following is a limitation of the Bohr model? A) It cannot explain the spectra of atoms with more than one electron. B) It accurately predicts the behavior of all elements. C) It describes electron orbits as elliptical. D) It accounts for electron spin. Show Answer Correct Answer: A) It cannot explain the spectra of atoms with more than one electron. 21. Combination of Hydrogen Gas produced by Electrolysis of Water using Electrical Energy from Renewable Energy Source and Vehicle driven by Hydrogen Fuel Cell, will have almost negligible generation of Greenhouse Gases. Is this statement true or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Which is the metal that is not used in the preparation of Hydrogen because it is expensive A) Potassium. B) Calcium. C) Sodium. D) Zinc. Show Answer Correct Answer: B) Calcium. 23. Which of the followings is not an use of hydrogen gas? A) As fuel for cars and rockets. B) In production of fertilizers. C) In production of margarine. D) For divers, climbers and astronauts. Show Answer Correct Answer: D) For divers, climbers and astronauts. 24. Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases does H$_{2}$O$_{2 }$act as a reducing agent in acid medium? A) MnO$_{4}$$^{-}$. B) SO$_{3}$$^{2-}$. C) KI. D) Cr$_{2}$O$_{7}$$^{2-}$. Show Answer Correct Answer: A) MnO$_{4}$$^{-}$. 25. Which of the following products may contain hydrogen peroxide (H$_{2}$O$_{2}$) as a bleaching agent? A) Oxi-Clean. B) Toothpaste. C) Laundry detergent like Tide. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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