This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many Neutrons does Protium has? A) 0. B) 2. C) 1. D) 3. Show Answer Correct Answer: A) 0. 2. Which statement about hydrogen is not correct? A) Hydrogen is used as a rocket fuel. B) Hydrogen reacts with ethane to produce ethene. C) Sodium reacts with water to produce hydrogen. D) Water is formed when a lighted splint is placed in a gas jar of hydrogen. Show Answer Correct Answer: B) Hydrogen reacts with ethane to produce ethene. 3. Select the odd one out Fe, Pb, Al, Zn A) Fe. B) Pb. C) Al. D) Zn. Show Answer Correct Answer: A) Fe. 4. As an acidic solution is added to a basic solution, the pH of the basic solution A) Decreases. B) Increases. C) Remains the same. D) None of the above. Show Answer Correct Answer: A) Decreases. 5. The metal impurities present in in Zinc granules which helps in catalysing the hydrogen preparation A) Al. B) Fe. C) Cu. D) Ag. Show Answer Correct Answer: C) Cu. 6. The chemical substance helps to absorb are seen and phosphine gas from impure hydrogen A) Lead nitrate. B) Silver nitrate. C) Potassium nitrate. D) Sodium nitrate. Show Answer Correct Answer: B) Silver nitrate. 7. What is a major challenge in the adoption of hydrogen as a fuel? A) Its low energy density. B) The existing fossil-fuel infrastructure. C) The scarcity of hydrogen on Earth. D) Its flammability. Show Answer Correct Answer: B) The existing fossil-fuel infrastructure. 8. Which of these fuel cell operates at temperature below 100 $^{0}$C? A) Phosphoric acid fuel cell. B) Solid polymer electrolyte fuel cell. C) Molten carbonate fuel cell. D) None of the above. Show Answer Correct Answer: B) Solid polymer electrolyte fuel cell. 9. Which is least soluble in water A) CaSO4. B) MgSO4. C) Na2SO4. D) BaSO4. Show Answer Correct Answer: D) BaSO4. 10. In the context of hydrogen bonding, what is the role of the oxygen atom in a water molecule? A) Hydrogen donor. B) Hydrogen acceptor. C) Electron donor. D) Electron acceptor. Show Answer Correct Answer: B) Hydrogen acceptor. 11. What is the effect of temperature on catalase activity? A) It increases continuously with temperature. B) It increases initially with temperature, but then decreases as the temperature becomes too high and denatures the enzyme. C) It decreases as the temperature increases. D) It has no effect on catalase activity. Show Answer Correct Answer: B) It increases initially with temperature, but then decreases as the temperature becomes too high and denatures the enzyme. 12. The very active metal like sodium, pottasium and calcium liberate hydrogen gas from ..... and other product being an ..... A) Acid, mettalic hydroxides. B) Cold water, mettalic hydroxides. C) Warm water, base. D) None of the following. Show Answer Correct Answer: B) Cold water, mettalic hydroxides. 13. Nitric acid and hydrochloric acid are A) Weak electrolyte. B) Strong electrolyte. C) None. D) None of the above. Show Answer Correct Answer: B) Strong electrolyte. 14. Name the electrolyte used in PEMFC. A) Phosphoric acid. B) Solid Polymer. C) KOH. D) None of the above. Show Answer Correct Answer: B) Solid Polymer. 15. In which of the following scenarios are hydrogen bonds most likely to form? A) Between two nonpolar molecules. B) Between a hydrogen atom and a highly electronegative atom. C) Between two hydrogen atoms. D) Between two carbon atoms. Show Answer Correct Answer: B) Between a hydrogen atom and a highly electronegative atom. 16. Which of the following process will produce hardwater? A) Saturation of water with CaCO$_{3}$. B) Saturation of water with MgCO$_{3}$. C) Saturation of water with CaSO$_{4}$. D) Addition of Na$_{2}$CO water. Show Answer Correct Answer: C) Saturation of water with CaSO$_{4}$. 17. What safety measures are important in hydrogen fuel cell technology? A) Important safety measures in hydrogen fuel cell technology include leak detection, proper storage, pressure regulation, and personnel training. B) Using gasoline as a fuel source. C) Ignoring ventilation requirements. D) Storing hydrogen at room temperature. Show Answer Correct Answer: A) Important safety measures in hydrogen fuel cell technology include leak detection, proper storage, pressure regulation, and personnel training. 18. WHICH IS THE HIGHEST WAVE LENGTH RADIATION A) N=1 to n=6. B) N=1 to n=infinity. C) N=infinity to n= infinity-1. D) N=1. Show Answer Correct Answer: C) N=infinity to n= infinity-1. 19. What is the [H$^{+}$] in a solution with a pH of 11? A) 1 x 10$^{-1}$ M. B) 1 x 10$^{-2}$ M. C) 1 x 10$^{11}$ M. D) 1 x 10$^{-11}$ M. Show Answer Correct Answer: D) 1 x 10$^{-11}$ M. 20. What is the significance of hydrogen bonds in water? A) They do not exist in water. B) They contribute to water's high boiling point and cohesion. C) They are responsible for water's low boiling point. D) They make water a non-polar molecule. Show Answer Correct Answer: B) They contribute to water's high boiling point and cohesion. 21. Which is correct according to activity series of metals? A) Ni>Fe>Zn>Pb>Al. B) Pb>Al>Zn>Fe>Ni. C) Zn>Al>Fe>Ni>Pb. D) Al>Zn>Fe>Ni>Pb. Show Answer Correct Answer: D) Al>Zn>Fe>Ni>Pb. 22. A hydrogen bond is ..... than a covalent bond but ..... than van der Waals forces. A) Weaker, stronger. B) Weaker, weaker. C) Stronger, weaker. D) Stronger, stronger. Show Answer Correct Answer: A) Weaker, stronger. 23. What has been a historical obstacle to hydrogen's widespread adoption as a fuel? A) Inability to store hydrogen safely. B) Difficulty in converting hydrogen to electricity. C) Lack of hydrogen in the universe. D) Public perception of safety. Show Answer Correct Answer: D) Public perception of safety. 24. How is geothermal energy harnessed? A) Geothermal energy is harnessed by drilling wells to access steam and hot water from the Earth's interior. B) By using solar panels to convert sunlight into energy. C) Through the process of photosynthesis in plants. D) By burning fossil fuels to generate heat. Show Answer Correct Answer: A) Geothermal energy is harnessed by drilling wells to access steam and hot water from the Earth's interior. 25. Which has the LONGEST wavelength and, therefore, the lowest frequency/energy A) Gamma Rays. B) Radio Waves. C) Visible Light. D) Infrared rays. Show Answer Correct Answer: B) Radio Waves. ← 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