This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What property of water allows it to move from roots to leaves in plants? A) Cohesion. B) Adhesion. C) Capillary action. D) Specific heat. Show Answer Correct Answer: C) Capillary action. 2. Which statement about hydrogen is correct? A) It is produced when an acid reacts with a metal carbonate. B) It is produced when an acid reacts with a reactive metal. C) It is produced when an alkali reacts with an ammonium salt. D) It is produced when oxygen reacts with a hydrocarbon. Show Answer Correct Answer: B) It is produced when an acid reacts with a reactive metal. 3. Define electronegativity. A) Ability of atom, ion or molecules to attract electron. B) Ability of atom, ion or molecule to donate electron. C) All the above. D) None of the above. Show Answer Correct Answer: A) Ability of atom, ion or molecules to attract electron. 4. A hydrogen fuel cell uses ..... to oxidize hydrogen. A) Carbon di oxide. B) Oxygen or air. C) Methane. D) None of the above. Show Answer Correct Answer: B) Oxygen or air. 5. Reaction of Mg, Al and Zn with steam stop after sometime because A) The metals are consumed. B) Steam changes into water. C) Metals turn passive. D) Hydroxides of metals stick to their surface. Show Answer Correct Answer: C) Metals turn passive. 6. Why is hydrogen collected through downward displacement of water? A) Because it has a reactive explosion with air. B) Because hydrogen is practically insoluble in water. C) Water removes impurities. D) None of the above. Show Answer Correct Answer: B) Because hydrogen is practically insoluble in water. 7. What is the driving force behind the self-assembly of non-polar molecules in water? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Hydrophobic effect. Show Answer Correct Answer: D) Hydrophobic effect. 8. Hydrogen was first prepared by A) Robert. B) Robert Boyle. C) Dalton. D) None of the above. Show Answer Correct Answer: B) Robert Boyle. 9. Hydrogen is not the lightest element known A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. HCl gas is ..... times heavier than air hence it is collected y upward displacement. A) 1.28. B) 1.25. C) 1.38. D) None of the above. Show Answer Correct Answer: A) 1.28. 11. When hydrogen burns in oxygen, the main product is: A) Carbon dioxide. B) Water. C) Steam and carbon monoxide. D) Hydrogen peroxide. Show Answer Correct Answer: B) Water. 12. Is Hydrogen a? A) Non-metal. B) Metal. C) Penny. D) Copper. Show Answer Correct Answer: A) Non-metal. 13. Hydrogen gas can be easily found occurring in its pure form naturally. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. How does substrate concentration affect enzyme activity? A) It fluctuates randomly. B) It increases initially, then levels off. C) It has no effect on enzyme activity. D) It decreases continuously. Show Answer Correct Answer: B) It increases initially, then levels off. 15. Hydrogen has A) One proton. B) Two neutrons. C) 8 electrons. D) None of the above. Show Answer Correct Answer: A) One proton. 16. How many motors are there in Hydrogen fueled car? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 17. Heavy water is used as A) Modulator in nuclear reactions. B) Coolant in nuclear reactions. C) Both (a) and (b). D) None of the above. Show Answer Correct Answer: C) Both (a) and (b). 18. What is the by-product of steam-methane reforming? A) Nitrogen. B) Oxygen. C) Carbon Dioxide. D) Carbon. Show Answer Correct Answer: C) Carbon Dioxide. 19. The residual product discharged by the hydrogen-oxygen cell is ..... A) Hydrogen peroxide. B) Water. C) Alcohol. D) None of the above. Show Answer Correct Answer: B) Water. 20. Alkalis absorb ..... A) Hydrogen. B) Water. C) Impurities. D) CO2. Show Answer Correct Answer: D) CO2. 21. The metal that gives hydrogen gas upon treatment with both acid, as well as base, is A) Magnesium. B) Zinc. C) Mercury. D) Iron. Show Answer Correct Answer: B) Zinc. 22. What is one advantage of hydrogen over batteries? A) Cheaper production costs. B) Higher energy density. C) Longer lifespan. D) Easier to store. Show Answer Correct Answer: B) Higher energy density. 23. ..... prepared HCl gas from rock salt and conc.H$_{2}$SO$_{4}$ A) Joseph Priestly. B) Davy. C) Glauber. D) None of the above. Show Answer Correct Answer: C) Glauber. 24. Hydride gap is constituted by elements of group A) 7. B) 7 and 8. C) 9. D) 7, 8, 9. Show Answer Correct Answer: D) 7, 8, 9. 25. When hydrogen loses an electron to form a positive ion, it is called ..... ion and when it gains an electron to form a negative ion, it is called a ..... ion. A) Hydrogen, Hydride. B) Hydride, Hydrogen. C) All the above. D) None of the above. Show Answer Correct Answer: A) Hydrogen, Hydride. ← 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