This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following oxide is the one of the neutral oxide? A) Al$_{2}$O$_{3}$. B) NO$_{2}$. C) Na$_{2}$O. D) H$_{2}$O. Show Answer Correct Answer: D) H$_{2}$O. 2. What is the substance that goes into the cathode? A) Oxygen. B) Hydrogen. C) Water. D) None of the above. Show Answer Correct Answer: A) Oxygen. 3. Why can ammonia gas be easily liquefied and helium can not? A) Ammonia has strong intermolecular forces of attraction. B) The critical temperature of ammonia is very high. C) Helium has weak intermolecular forces of attraction. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Mixture of ..... is called water gas. A) Carbon & water. B) Carbon monoxide & hydrogen. C) Carbon dioxide & hydrogen. D) All the above. Show Answer Correct Answer: B) Carbon monoxide & hydrogen. 5. The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called? A) A covalent bond. B) A hydrogen bond. C) An ionic bond. D) A hydrophilic bond. E) A hydrophobic bond. Show Answer Correct Answer: B) A hydrogen bond. 6. What happens to the density of water upon freezing? A) It increases. B) It decreases. C) It remains the same. D) It becomes zero. Show Answer Correct Answer: B) It decreases. 7. Which fuel has a molecular weight of 46 g/mol? A) Hydrogen. B) Methane. C) Ethanol. D) Propane. Show Answer Correct Answer: C) Ethanol. 8. What is the nature of the oxide formed by hydrogen? A) Amphoteric. B) Basic. C) Neutral. D) Acidic. Show Answer Correct Answer: C) Neutral. 9. Which of the following statements is true regarding water's ability to dissolve ionic compounds? A) Water cannot dissolve ionic compounds. B) Water forms covalent bonds with ionic compounds. C) Water breaks ionic bonds through hydrolysis. D) Water surrounds and stabilizes ions through opposite charge interactions. Show Answer Correct Answer: D) Water surrounds and stabilizes ions through opposite charge interactions. 10. . As the pH of a solution is changed from 3 to 6, the concentration of hydronium ions A) Increases by a factor of 3. B) Increases by a factor of 1000. C) Decreases by a factor of 3. D) Decreases by a factor of 1000. Show Answer Correct Answer: D) Decreases by a factor of 1000. 11. Potassium carbonate and sodium carbonate cannot be decomposed by heat because A) They have high thermal stability. B) They decompose readily when heated. C) Potassium and sodium are unreactive metals. D) These carbonates are unreactive carbonates. Show Answer Correct Answer: A) They have high thermal stability. 12. When hair is dry, protein molecules in the hair structure form hydrogen bonds with ..... A) Other protein molecules in the same hair structure. B) Water molecules, H$_{2}$O. C) Other protein molecules from another hair structure. D) Water molecules, H$_{2}$O which also forms hydrogen bonds with protein molecules from another hair structure. Show Answer Correct Answer: A) Other protein molecules in the same hair structure. 13. Hardness of water may be temporary or permanent. Permanent hardness is due to the presence of A) Chlorides of Ca and Mg in water. B) Sulphites of Ca and Mg in water. C) Hydrogen carbonates of Ca and Mg in water. D) Carbonates of alkali metals in water. Show Answer Correct Answer: A) Chlorides of Ca and Mg in water. 14. Hydrogen bonds are very strong bonds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. WHat is the atomic symbol for Sodium? A) Na. B) So. C) Sa. D) No. Show Answer Correct Answer: A) Na. 16. Hydrogen by conversion of natural gas is ..... A) Blue hydrogen. B) Green hydrogen. C) Black hydrogen. D) Grey hydrogen. Show Answer Correct Answer: A) Blue hydrogen. 17. The hybridisation of oxygen atom is H$_{2 }$O and H$_{2}$O$_{2}$ are, respectively A) Sp and sp$^{3}$. B) Sp$^{3}$ and sp$^{3}$. C) Sp and sp$^{2}$. D) Sp and sp. Show Answer Correct Answer: B) Sp$^{3}$ and sp$^{3}$. 18. What materials are commonly used in hydrogen storage tanks? A) Glass fiber. B) Carbon fiber composites, aluminum, steel. C) Plastic polymers. D) Wood composites. Show Answer Correct Answer: B) Carbon fiber composites, aluminum, steel. 19. Range the following IMF'S in order from WEAKEST to STRONGESTDipole-Dipole, Hydrogen Bonding, London Dispersion, Ionic A) London Dispersion, Dipole-Dipole, H-Bonding, Ionic. B) Ionic, H-bonding, Dipole-Dipole, London Dispersion. C) H-Bonding, Ionic, London Dispersion, Dipole-Dipole. D) Dipole-Dipole, H-Bonding, London Dispersion, Ionic. Show Answer Correct Answer: A) London Dispersion, Dipole-Dipole, H-Bonding, Ionic. 20. Hydrogen was used for filling baloons. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Determine the type of intermolecular force present in SiO$_{2}$. A) Dipole dipole. B) Dispersion. C) Ionic. D) Covalent network. Show Answer Correct Answer: D) Covalent network. 22. When the pH of a solution changes from a pH of 5 to a pH of 3, the hydronium ion concentration is A) 0.01 of the original content. B) 0.1 of the original content. C) 10 times the original content. D) 100 times the original content. Show Answer Correct Answer: D) 100 times the original content. 23. What is a challenge in the adoption of hydrogen fuel? A) Lack of water on Earth. B) It is not recognized as a fuel by governments. C) Inability to use it in existing vehicles. D) High cost and lack of infrastructure. Show Answer Correct Answer: D) High cost and lack of infrastructure. 24. What is the most common element in the Universe? A) Hydrogen. B) Helium. C) Oxygen. D) Carbon. Show Answer Correct Answer: A) Hydrogen. 25. What modification is necessary for a gas turbine to run on hydrogen? A) Combustor. B) Larger blades. C) Cooling system. D) Generator shaft. Show Answer Correct Answer: A) Combustor. ← 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