This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 57 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 57 (23 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following best explains why water has a high specific heat capacity? A) Strong covalent bonds within water molecules. B) Weak ionic interactions. C) Hydrogen bonding between water molecules. D) Van der Waals forces. Show Answer Correct Answer: C) Hydrogen bonding between water molecules. 2. Which of the following best describes the overall reaction in a hydrogen-oxygen fuel cell? A) 2H2 + O2 $\rightarrow$ 2H2O. B) 2H2O $\rightarrow$ 2H2 + O2. C) H2 + O2 $\rightarrow$ H2O. D) 4H+ + 4e-+ O2 $\rightarrow$ 2H2O. Show Answer Correct Answer: A) 2H2 + O2 $\rightarrow$ 2H2O. 3. There are ..... hydrogen atoms and one oxygen atom make up one water molecule A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: A) 2. 4. What is the process called to produce Green hydrogen? A) Electrolysis. B) Fracking. C) Combustion. D) Steam-methane Reforming. Show Answer Correct Answer: A) Electrolysis. 5. Name the type of hydrides formed by f-block elements ..... A) Interstitial hydrides (or) non-stoichiometric hydrides. B) Covalent hydrides. C) Ionic hydrides. D) Electron precise hydrided. Show Answer Correct Answer: A) Interstitial hydrides (or) non-stoichiometric hydrides. 6. Which isotope of Hydrogen is radioactive? A) Tritium. B) Deuterium. C) Protium. D) All of the above. Show Answer Correct Answer: A) Tritium. 7. Adding 0.1 M NaOH to a 0.1 M solution of HCl will cause the pH of the solution to A) Decrease. B) Increase. C) Remain the same. D) None of the above. Show Answer Correct Answer: B) Increase. 8. Which of the following molecules is NOT mentioned in the text? A) Water. B) Carbon Dioxide. C) Methane. D) Ammonia. Show Answer Correct Answer: B) Carbon Dioxide. 9. What does the hydrogen turn into at the anode A) Proton. B) H$^{2+}$. C) H$^{2-}$. D) H$^{-}$. Show Answer Correct Answer: A) Proton. 10. For an electron to change from ground state to an excited stated it must ..... A) Absorb energy. B) Release energy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Absorb energy. 11. What is the role of hydrogen bonds in enzyme-substrate interactions? A) Hydrogen bonds stabilize the enzyme-substrate complex and facilitate specific binding. B) Hydrogen bonds prevent enzyme-substrate binding. C) Hydrogen bonds break down the enzyme-substrate complex. D) Hydrogen bonds have no effect on enzyme activity. Show Answer Correct Answer: A) Hydrogen bonds stabilize the enzyme-substrate complex and facilitate specific binding. 12. Which of the following comparison between natural rubber and vulcanised rubber is not correct? A) Vulcanised rubber is more elastic than natural rubber. B) Vulcanised rubber is harder than natural rubber. C) Vulcanised rubber cannot withstand heat while natural rubber can withstand heat. D) Vulcanised rubber cannot oxidise easily while natural rubber can oxidise easily. Show Answer Correct Answer: C) Vulcanised rubber cannot withstand heat while natural rubber can withstand heat. 13. Explain enzyme-substrate specificity in relation to catalase. A) Catalase has specificity for hydrogen peroxide as its substrate. B) Catalase has specificity for carbon dioxide as its substrate. C) Catalase has specificity for oxygen as its substrate. D) Catalase has specificity for water as its substrate. Show Answer Correct Answer: A) Catalase has specificity for hydrogen peroxide as its substrate. 14. Which property makes hydrogen suitable for use in weather balloons? A) It is colorless. B) It is lighter than air. C) It is odorless. D) It burns easily. Show Answer Correct Answer: B) It is lighter than air. 15. What is the meaning of Dative Bond? A) A covalent bond between two atoms where one of the atoms provides both electrons that form the bond. B) A covalent bond between two atoms where both of the atoms provides both electrons that form the bond. C) Same with an ionic bond. D) Not exist. Show Answer Correct Answer: A) A covalent bond between two atoms where one of the atoms provides both electrons that form the bond. 16. Sinks or floats A) Hydrogen bonding. B) Solubility. C) Density. D) State of matter. Show Answer Correct Answer: C) Density. 17. Hard water and heavy water are ..... A) Sea water and deuterium oxide. B) Rain water & D2O. C) Tap water & D2O. D) River water & deuterium oxide. Show Answer Correct Answer: A) Sea water and deuterium oxide. 18. Where does hydrogen Fuel cells come from. A) Carbon Dioxide. B) Hydrogen. C) Natural gas. D) Fuel. Show Answer Correct Answer: C) Natural gas. 19. Which is the most sulfur resistant fuel cell? A) Phosphoric acid fuel cell. B) Solid Oxide fuel cell. C) Direct methanol fuel cell. D) None of the above. Show Answer Correct Answer: B) Solid Oxide fuel cell. 20. Why might hydrogen be considered a waste of renewable energy by some critics? A) It is less energy-dense than batteries. B) It cannot be produced from renewable sources. C) It is too expensive to produce. D) The energy output is less than the input. Show Answer Correct Answer: D) The energy output is less than the input. 21. Can you provide an example of hydrogen bonding in everyday life? A) Water (H2O) exhibits hydrogen bonding between its molecules. B) Salt (NaCl) dissolving in water. C) Oxygen (O2) in the air. D) Carbon dioxide (CO2) in soda. Show Answer Correct Answer: A) Water (H2O) exhibits hydrogen bonding between its molecules. 22. The atom which has no neutron in the nucleus A) Fe. B) H. C) Cu. D) Mg. Show Answer Correct Answer: B) H. 23. Hydrogen-oxygen fuel cell can produce drinking water of potable quality. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousRelated 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