This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the chemical equation for the reaction in a hydrogen fuel cell? A) $2H_2 + O_2 \rightarrow 2H_2O$. B) $H_2 + O_2 \rightarrow H_2O$. C) $2H_2 + 2O_2 \rightarrow 2H_2O$. D) $H_2 + 2O_2 \rightarrow H_2O$. Show Answer Correct Answer: A) $2H_2 + O_2 \rightarrow 2H_2O$. 2. Hydrogen is often called "inflammable air" due to what property? A) Its low density. B) Its ability to form water. C) Its high combustibility. D) Its neutral pH. Show Answer Correct Answer: C) Its high combustibility. 3. Which is the fuel cell used in military & space application? A) Alkaline Fuel Cell. B) Phosphoric acid fuel cell. C) Solid oxide fuel cell. D) None of the above. Show Answer Correct Answer: A) Alkaline Fuel Cell. 4. HCl gas with the alkaline phenolpthalein-colour changes to ..... A) Pink. B) Red. C) Colourless. D) None of the above. Show Answer Correct Answer: C) Colourless. 5. What is the role of steam in geothermal energy production? A) Steam is a byproduct that is released into the atmosphere. B) Steam is used to heat water for cooking. C) Steam drives turbines to generate electricity in geothermal energy production. D) Steam cools down the geothermal plants. Show Answer Correct Answer: C) Steam drives turbines to generate electricity in geothermal energy production. 6. In a water molecule, which atom(s) has/have a partial negative charge? A) Oxygen. B) Hydrogen. C) None of the atoms. D) All of the atoms. Show Answer Correct Answer: A) Oxygen. 7. What sector is most likely to see early applications of hydrogen technology? A) Consumer electronics. B) Heavy industry. C) Residential heating. D) Personal transportation. Show Answer Correct Answer: B) Heavy industry. 8. What is Deutrium also called A) Heavy Hydrogen. B) Light Hydrogen. C) Breathable Hydrogen. D) Hydrogen Particulate. Show Answer Correct Answer: A) Heavy Hydrogen. 9. The energy of electron in a hydrogen atom depends on A) "n" and "l" quantum No. B) "n" quantum No. C) "l" quantum No. D) None of the these. Show Answer Correct Answer: B) "n" quantum No. 10. In Hydrogen Fuel Cell, electrical current flows in external circuit through A) Protons. B) Holes. C) Electrons. D) All of the above. Show Answer Correct Answer: C) Electrons. 11. Which of these 1 M solutions will have the highest pH? A) NaOH. B) CH3OH. C) HCl. D) NaCl. Show Answer Correct Answer: A) NaOH. 12. Identify the incorrect statement regarding heavy water. A) It reacts with SO$_{3 }$to form deuterated sulphuric acid (D$_{2}$SO$_{4}$). B) It is used as a coolant in nuclear reactors. C) It reacts with CaC$_{2}$ to produce C$_{2}$D$_{2}$ and Ca(OD)$_{2}$. D) It reacts with Al$_{4}$C$_{3}$ to produce CD$_{4}$ and Al(OD)$_{3}$. Show Answer Correct Answer: B) It is used as a coolant in nuclear reactors. 13. What is the permutit (or zeolite) process for removing the Hpermanent Hadness of water A) Hydrated Sodium aluminium silicates. B) Sodium meta hexa phosphate. C) Sodium silicates. D) Sodium meta aluminates. Show Answer Correct Answer: A) Hydrated Sodium aluminium silicates. 14. S maksimum boleh masukkan electron ialah ..... A) 2. B) 6. C) 10. D) 14. Show Answer Correct Answer: A) 2. 15. Type of intermolecular force present in HF. A) Dipole dipole. B) London dispersion forces. C) H-bond. D) Ion-ion attraction. Show Answer Correct Answer: C) H-bond. 16. Marine acid was named as muriatic acid by whom? A) Joseph Priestly. B) Lavoisier. C) Glauber. D) None of the above. Show Answer Correct Answer: B) Lavoisier. 17. Water dissolves ionic compounds, like NaCl, because water molecules ..... A) Are non polar. B) Have a pH value of 14. C) Have partially charged ends that interact with ions. D) Do not contain atoms. Show Answer Correct Answer: C) Have partially charged ends that interact with ions. 18. Compared to a 1.0-liter aqueous solution with a pH of 7.0, a 1.0-liter aqueous solution with a pH of 5.0 contains A) 10 times more hydronium ions. B) 100 times more hydronium ions. C) 10 times more hydroxide ions. D) 100 times more hydroxide ions. Show Answer Correct Answer: B) 100 times more hydronium ions. 19. One use of hydrogen is as an energy source to fuel rockets and cars. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. MOFC's don't require an external reformer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Which physical property of dihydrogen is wrong? A) Colourless gas. B) Odourless gas. C) Tasteless gas. D) Non-inflammable gas. Show Answer Correct Answer: D) Non-inflammable gas. 22. A piece of calcium is added to cold water.Which equation represents the reaction? A) Ca + H$_{2}$O $\rightarrow$ CaO + H$_{2}$. B) Ca + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + H$_{2}$. C) 2Ca + 2H$_{2}$O $\rightarrow$ 2CaOH + H$_{2}$. D) Ca$^{2+}$ + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + 2H$^{+}$. Show Answer Correct Answer: B) Ca + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + H$_{2}$. 23. How do hydrogen bonds contribute to the phenomenon of capillary action? A) Hydrogen bonds only affect the temperature of water, not its movement in capillary action. B) Hydrogen bonds enable water molecules to adhere to surfaces and to each other, facilitating capillary action. C) Hydrogen bonds cause water to evaporate quickly, reducing capillary action. D) Hydrogen bonds prevent water from sticking to surfaces, hindering capillary action. Show Answer Correct Answer: B) Hydrogen bonds enable water molecules to adhere to surfaces and to each other, facilitating capillary action. 24. What is the role of oxygen in the cathode reaction of a hydrogen-oxygen fuel cell? A) It is oxidized to form oxygen ions. B) It reacts with hydrogen ions and electrons to produce water. C) It is reduced to form hydrogen gas. D) It breaks down water molecules into hydrogen and oxygen. Show Answer Correct Answer: B) It reacts with hydrogen ions and electrons to produce water. 25. Which of the following molecules can form hydrogen bonds with water? A) Methane (CH4). B) Ammonia (NH3). C) Carbon dioxide (CO2). D) Oxygen (O2). Show Answer Correct Answer: B) Ammonia (NH3). ← 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 9Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 10Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books