This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In ..... method zeolites are used to remove permanent hardness A) A) filtration. B) B) ion exchange. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) ion exchange. 2. In a fuel cell, oxidation occurs at the anode. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Atomic Mass-Atomic number tells us what? A) Number of neutrons. B) Number of electrons. C) Amount of protons. D) Weight of the actual atom. Show Answer Correct Answer: A) Number of neutrons. 4. When hydrogen gas is passed over heated copper oxide (CuO), what is observed? A) The copper oxide turns from black to reddish-brown, and a colorless liquid forms. B) The copper oxide dissolves, forming a blue solution. C) The hydrogen gas ignites, producing a loud pop sound. D) There is no visible reaction. Show Answer Correct Answer: A) The copper oxide turns from black to reddish-brown, and a colorless liquid forms. 5. Which of the following best describes the environmental impact of hydrogen fuel cells? A) They produce greenhouse gases. B) They emit water vapor as a byproduct. C) They contribute to air pollution. D) They require fossil fuels to operate. Show Answer Correct Answer: B) They emit water vapor as a byproduct. 6. Hydrogen, under certain reaction conditions, combines with almost all elements except noble gasesto form binary compounds. The binary compoundsare called A) Oxides. B) Halides. C) Carbides. D) Hydrides. Show Answer Correct Answer: D) Hydrides. 7. Which of the following statements is incorrect with regard to ortho and para-dihydrogen? A) They are nuclear spin isomers. B) Ortho isomer has zero nuclear spin whereas the para isomer has one nuclear spin. C) The para isomer is favoured at low temperatures. D) The thermal conductivity of the para isomer is 50% greater than that of the ortho isomer. Show Answer Correct Answer: B) Ortho isomer has zero nuclear spin whereas the para isomer has one nuclear spin. 8. How does geothermal energy compare to other renewable energy sources? A) Geothermal energy is the most widely used renewable source worldwide. B) Geothermal energy requires more land than solar and wind energy. C) Geothermal energy is more reliable and has a smaller land footprint than solar and wind, but is geographically limited. D) Geothermal energy is less efficient than fossil fuels. Show Answer Correct Answer: C) Geothermal energy is more reliable and has a smaller land footprint than solar and wind, but is geographically limited. 9. PbO + H2-$\rightarrow$ Pb + H2O, in this reaction conversion of H2 to H2O is A) Redox reaction. B) Reduction. C) Oxidation. D) None of the above. Show Answer Correct Answer: C) Oxidation. 10. In Fuel Cell Powered Vehicles, hydrogen is generally stored A) As Gas in Pressurized Tanks. B) As Metal Hydrate. C) As Cryogenic Liquid. D) None of the above. Show Answer Correct Answer: A) As Gas in Pressurized Tanks. 11. Hydrogen is collected by the downward displacement of water during electrolysis of water A) Sparingly soluble in water. B) Non soluble in water. C) None. D) None of the above. Show Answer Correct Answer: A) Sparingly soluble in water. 12. Atoms that have the same mass number and different atomic number are called? A) Isotopes. B) Isobars. C) Isotones. D) Isomers. Show Answer Correct Answer: B) Isobars. 13. Fe + Water gives what A) Iron Oxide. B) Hydrogen. C) Iron Hydroxide. D) Iron and Oxygen. Show Answer Correct Answer: A) Iron Oxide. 14. Which of the following is not a weak electrolyte A) Accetic Acid. B) HCl. C) None of these. D) Ammonium Hydroxide. Show Answer Correct Answer: B) HCl. 15. Is hydrogen tasteless? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 16. H$_{2}$S has what kind of intermolecular force? A) Dipole dipole. B) London dispersion forces. C) H-bond. D) Ion-ion. Show Answer Correct Answer: A) Dipole dipole. 17. The physical property of water, resulting from hydrogen bonding, that allows water molecules to stick to each other is referred to as: A) Cohesion. B) Adhesion. C) Homeostasis. D) Capillary Action. Show Answer Correct Answer: A) Cohesion. 18. In PEM type Hydrogen Fuel Cell, the Hydrogen gas is supplied at A) Anode. B) Cathode. C) Equally at Anode and Cathode. D) None of the Above. Show Answer Correct Answer: A) Anode. 19. The number of hydrogen bonded water molecule(s) associated with CuSO$_{4}$.5H$_{2}$O is A) 3. B) 1. C) 2. D) 5. Show Answer Correct Answer: B) 1. 20. Hydrogen fuel cells are dependent upon A) Time of day. B) Fossil fuels. C) Neither. D) Both. Show Answer Correct Answer: C) Neither. 21. Hydrogen torch produces A) Clean Welding gas. B) Clean water vapor. C) Both of these. D) None of the above. Show Answer Correct Answer: C) Both of these. 22. Which of the following reaction represents Metal + water A) K + H2O. B) PbO + H2O. C) All the above. D) None of the above. Show Answer Correct Answer: A) K + H2O. 23. What is a significant obstacle to the widespread use of hydrogen? A) Public resistance to new technology. B) The complexity of hydrogen fuel cells. C) Its limited applications. D) The need for new refuelling infrastructure. Show Answer Correct Answer: D) The need for new refuelling infrastructure. 24. Water is neutral, that makes it a useful medium for many chemical reactions. What ions does water dissociate into with the same rate? A) OH-and OH-. B) H+ and H+. C) H+ and OH-. D) HOH. Show Answer Correct Answer: C) H+ and OH-. 25. What is the role of hydrogen bonds in the structure of proteins? A) They stabilize the secondary structure. B) They form the primary structure. C) They break down the tertiary structure. D) They are not involved in protein structure. Show Answer Correct Answer: A) They stabilize the secondary structure. ← 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