This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydrogen may be used in cooking A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. Apparatus used for manufacturing hydrogen must be air tight because A) It is highly soluble in air. B) It is highly inflammable. C) It is highly acidic. D) It is highly basic. Show Answer Correct Answer: B) It is highly inflammable. 3. How does temperature affect the efficiency of a hydrogen fuel cell? A) Higher temperatures improve efficiency up to a point, but excessive heat can degrade fuel cell materials. B) Higher temperatures are always harmful to fuel cells. C) Lower temperatures always decrease efficiency. D) Temperature has no effect on fuel cell performance. Show Answer Correct Answer: A) Higher temperatures improve efficiency up to a point, but excessive heat can degrade fuel cell materials. 4. Potassium burns with ..... coloured flame releasing hydrogen gas A) Blue. B) Lilac. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lilac. 5. Ionic bonding occurs between what? A) Metal and non metal. B) Metal and metal. C) Chemical and physics. D) Solution and solid. Show Answer Correct Answer: A) Metal and non metal. 6. Which statement suggests that electrons have wave properties? A) Electrons are emitted in photoelectric effect experiments. B) Electrons are released when atoms are ionised. C) Electrons produce dark rings in diffraction experiments. D) Electron transitions in atoms produce line spectra. Show Answer Correct Answer: C) Electrons produce dark rings in diffraction experiments. 7. Hydrogen reacts with oxygen to form water in the ratio: A) 1:2. B) 2:1. C) 1:8. D) 8:1. Show Answer Correct Answer: B) 2:1. 8. Which of the following metal evolves hydrogen on reacting with cold dilute HNO$_{3}$ A) Mg. B) Al. C) Fe. D) Cu. Show Answer Correct Answer: A) Mg. 9. What is the role of hydrogen bonds in the structure of DNA? A) They form the backbone of the DNA strand. B) They connect the phosphate groups in the DNA backbone. C) They hold the two strands of the DNA double helix together. D) They are responsible for the replication of DNA. Show Answer Correct Answer: C) They hold the two strands of the DNA double helix together. 10. What is the atomic weight of Sodium. A) 22. B) 20. C) 21. D) 10. Show Answer Correct Answer: A) 22. 11. Which industry primarily uses hydrogen? A) Electronics. B) Refinery. C) Transportation. D) Textile. Show Answer Correct Answer: B) Refinery. 12. Water gas is a mixture of: A) CO + N$_{2}$. B) CO$_{2}$ + N$_{2}$. C) CO + H$_{2}$. D) CO$_{2 }$+ H$_{2}$. Show Answer Correct Answer: C) CO + H$_{2}$. 13. The reaction in which water molecules produce ions is called ..... A) Dissociation of water. B) Acid-base reaction. C) The pH constant. D) Self-ionization of water. Show Answer Correct Answer: D) Self-ionization of water. 14. Which process in water cycle returns water back to the surface of Earth? A) Condensation. B) Evaporation. C) Precipitation. D) Sublimation. Show Answer Correct Answer: C) Precipitation. 15. In which process is hydrogen used as a coolant? A) Powerplant. B) Food refrigeration. C) Automobile. D) Automobiles. Show Answer Correct Answer: A) Powerplant. 16. Liquid HCl boils at ..... A) 81$^{0}$C. B) 82$^{0}$C. C) 83$^{0}$C. D) None of the above. Show Answer Correct Answer: C) 83$^{0}$C. 17. Which property of water allows it to dissolve many ionic compounds? A) High surface tension. B) Polarity and hydrogen bonding. C) Low viscosity. D) High boiling point. Show Answer Correct Answer: B) Polarity and hydrogen bonding. 18. What country has the highest number of hydrogen refueling stations after the United States? A) Germany. B) Brazil. C) China. D) Japan. Show Answer Correct Answer: A) Germany. 19. Which statement about the electromagnetic spectrum is not correct? A) The wavelength of ultraviolet radiation is shorter than infrared radiation. B) The frequency of visible radiation is higher than the frequency of ultraviolet radiation. C) The energy of infrared radiation is lower than the energy of ultraviolet radiation. D) Wavelength is inversely proportional to frequency. Show Answer Correct Answer: B) The frequency of visible radiation is higher than the frequency of ultraviolet radiation. 20. Permanent hardness of water can be removed by adding ..... A) A) chlorides salt. B) B) washing soda. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) washing soda. 21. What type of reaction is the industrial method of Bosch Method to produce hydrogen? A) Synthesis reaction. B) Decomposition reaction. C) Single displacement reaction. D) Double displacement reaction. Show Answer Correct Answer: A) Synthesis reaction. 22. What types of intermolecular forces are stronger than hydrogen bonds? A) London dispersion forces. B) Ionic bonds, covalent bonds. C) Dipole-dipole interactions. D) Van der Waals forces. Show Answer Correct Answer: B) Ionic bonds, covalent bonds. 23. Simulations were ran at which of the following time frame? A) 0.1 psec for 100 sec. B) Once every 24 hrs. C) No frames existed. D) 30 sec. Show Answer Correct Answer: A) 0.1 psec for 100 sec. 24. Which of the followings is not an abundance of hydrogen in nature? A) Hydrides. B) Water. C) Air. D) Carbonates. Show Answer Correct Answer: C) Air. 25. Hydrogen is obtained from steam (H$_{2}$O) reforming with methane gas (CH$_{4}$). The majority of methane is sourced from fossil fuels, i.e. coal seam gas. If this hydrogen was to be used, it would be ..... A) Renewable energy. B) Non-renewable energy. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non-renewable energy. ← 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