This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The most common ion found in hard water is ..... A) A) sodium ions. B) B) calcium and magnesium. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) calcium and magnesium. 2. IN WHICH SERIES THE UV RADIATION BELONGS A) Lyman. B) Pashen. C) Brackett. D) Balmer. Show Answer Correct Answer: A) Lyman. 3. To ensure the hydrogen torch remains functional for the year we need to keep adding A) Electrolyte. B) Copper sulfate. C) Welding material. D) Distilled Water. Show Answer Correct Answer: D) Distilled Water. 4. What does Sodium conducts? A) Gas & Smoke. B) Heat & Electricity. C) Smoke & Electricity. D) Heat & Electrcity. Show Answer Correct Answer: B) Heat & Electricity. 5. How do living systems depend on the chemical properties of water? A) Water is a source of energy for cells. B) Water provides structural support to cells. C) Water's polarity facilitates nutrient transport and chemical reactions. D) Water replaces oxygen in cellular respiration. Show Answer Correct Answer: C) Water's polarity facilitates nutrient transport and chemical reactions. 6. What do fuel cells emit? A) Oxygen. B) Hydrogen. C) Water. D) None of the above. Show Answer Correct Answer: C) Water. 7. Free hydrogen is a colourless gas. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. Two samples of liquid are tested in the lab. One of the samples has a pH of 2, and the other has a pH of 9. What conclusion can be drawn from this data? A) One is a base, the other is a neutral. B) One is an acid, the other is a neutral. C) Both samples are acids. D) One is an acid, the other is a base. Show Answer Correct Answer: D) One is an acid, the other is a base. 9. Hydrogen bonding is a type of ..... intermolecular force. A) Low. B) Weak. C) High. D) Strong. Show Answer Correct Answer: D) Strong. 10. In the preparation of Hydrogenated Oil in industries is known as A) Hydrogenation. B) Reduction. C) Oxidation. D) Hydration. Show Answer Correct Answer: A) Hydrogenation. 11. Red hair has ..... amounts of eumelanin and pheomelanin. A) No. B) High. C) Equal. D) Low. Show Answer Correct Answer: C) Equal. 12. Which type of Fuel Cell do not require Catalyst made of Nobel Metal (Gold/Silver/Platinum)? A) Polymer Electrolyte Membrane (PEM). B) Alkaline Fuel Cell (AFC). C) Phosphoric Acid Fuel Cell (PAFC). D) Molten Carbonate Fuel Cell (MCFC). Show Answer Correct Answer: D) Molten Carbonate Fuel Cell (MCFC). 13. What is the approximate difference in electronegativity for a non-polar covalent bond? A) 0.89. B) 0.35. C) 2.23. D) 0. Show Answer Correct Answer: D) 0. 14. First person to identify Hydrogen as discrete element A) Paracelsus. B) Robert Boyle. C) Henry Cavendish. D) Antoine-Lavoisier. Show Answer Correct Answer: C) Henry Cavendish. 15. What is the basis of a metallic bond? A) The attraction of neutral metal atoms. B) The attraction between positive metal ions and interlocking electrons. C) The attraction between protons and neutrons. D) The attraction between positive metal ions and free floating electrons. Show Answer Correct Answer: D) The attraction between positive metal ions and free floating electrons. 16. The structure of DNA is best described as: A) A single linear strand. B) A double helix. C) A triple helix. D) A branched structure. Show Answer Correct Answer: B) A double helix. 17. What is the equation for the cathode reaction in a hydrogen-oxygen fuel cell? A) 2H2O $\rightarrow$ 4H+ + O2 + 4e-. B) H2 + O2 $\rightarrow$ H2O. C) O2 + 4H+ + 4e-$\rightarrow$ 2H2O. D) H2 $\rightarrow$ 2H+ + 2e-. Show Answer Correct Answer: C) O2 + 4H+ + 4e-$\rightarrow$ 2H2O. 18. Which of the following are formed by d-blockelements? A) Covalent hydrides. B) Ionic hydrides. C) Molecular hydrides. D) Non-stoichiometric hydrides. Show Answer Correct Answer: D) Non-stoichiometric hydrides. 19. Green hydrogen produced by separating A) Oxygen and hydrogen. B) Carbon and hydrogen. C) Oxygen and carbon. D) Hydrogen and nitrogen. Show Answer Correct Answer: A) Oxygen and hydrogen. 20. The hardness of water can be determined by volumetrically using the reagent A) Sodium thio sulphate. B) EDTA. C) All the above. D) None of the above. Show Answer Correct Answer: B) EDTA. 21. Hydrogen's symbol is: A) H. B) Hy. C) Ho. D) Hd. Show Answer Correct Answer: A) H. 22. Which of the following is a byproduct of hydrogen fuel cells? A) Sulfur Dioxide. B) Water. C) Carbon Dioxide. D) Methane. Show Answer Correct Answer: B) Water. 23. Which element is fed to the positive electrode of a fuel cell? A) Hydrogen. B) Nitrogen. C) Oxygen. D) None of the above. Show Answer Correct Answer: C) Oxygen. 24. What is the PH range? A) 0-6. B) 7-8. C) 13-14. D) 0-14. Show Answer Correct Answer: D) 0-14. 25. Thermal decomposition of CaCO$_{3}$ produces A) CO$_{2}$ and H$_{2}$O. B) H$_{2}$O. C) CaO and H$_{2}$O. D) CaO and CO$_{2}$. Show Answer Correct Answer: D) CaO and CO$_{2}$. 26. The property of hydrogen which distinguishes it from alkali metals A) Its non-metallic character. B) Its reducing character. C) Its affinity for non metal. D) Its electropositive character. Show Answer Correct Answer: A) Its non-metallic character. 27. Why does water have a high surface tension compared to most other liquids? A) Because of its high specific heat capacity. B) Because of its low molecular weight. C) Due to the hydrogen bonds between water molecules. D) Due to the covalent bonds within the water molecule. Show Answer Correct Answer: C) Due to the hydrogen bonds between water molecules. 28. Why can hydrogen not be produced using copper, mercury, gold, silver, etc. A) It is too expensive. B) Only elements higher than hydrogen on the reactivity series can displace hydrogen from acids. C) Elements higher than hydrogen on the reactivity series displace hydrogen from acids using explosive action. D) None of the above. Show Answer Correct Answer: B) Only elements higher than hydrogen on the reactivity series can displace hydrogen from acids. 29. ..... is a chemicall process which involves addition of hydrogen A) Reduction. B) Oxidation. C) Hydrogenation. D) None. Show Answer Correct Answer: A) Reduction. 30. Water is a molecule with slightly positive hydrogen atoms and a slightly negative oxygen atom. This unique arrangement gives water its- A) A conductivity properties. B) Electrolytic properties. C) Polarity. D) Non polarity. Show Answer Correct Answer: C) Polarity. 31. What is the [OH-] if the pH is 4.9? A) 7.94 x 10-14 M. B) 7.94 x 10-10 M. C) 4.9 x 10-10 M. D) 1.0 x 10-4 M. Show Answer Correct Answer: B) 7.94 x 10-10 M. 32. Covalent hydride are formed by A) D block. B) S block. C) P block. D) F block. Show Answer Correct Answer: C) P block. 33. Name the metal which does not react with dil. hydrochloric acid- A) Iron. B) Lead. C) Magnesium. D) Tin. Show Answer Correct Answer: B) Lead. 34. What property of water allows it to act as a solvent for many biochemical reactions? A) High viscosity. B) Low surface tension. C) High heat capacity. D) Polarity and ability to form hydrogen bondsTagsSYI-1ATopic-1.1. Show Answer Correct Answer: D) Polarity and ability to form hydrogen bondsTagsSYI-1ATopic-1.1. 35. Which of these is a disadvantage of cars driven by hydrogen-oxygen fuel cells rather than by petrol engines? A) They have fewer moving parts. B) There are fewer suitable filling stations. C) They emit little pollution. D) None of the above. Show Answer Correct Answer: B) There are fewer suitable filling stations. 36. Hydrogen bonding occurs when hydrogen is bonded to which of the following elements? A) Nitrogen, Oxygen, Fluorine. B) Hydrogen, Helium, Neon. C) Potassium, Sodium, Calcium. D) Sulfur, Carbon, Phosphorus. Show Answer Correct Answer: A) Nitrogen, Oxygen, Fluorine. 37. What are the environmental impacts of geothermal energy? A) Geothermal energy can lead to land use changes, greenhouse gas emissions, water contamination, and induced seismicity. B) Geothermal energy only affects air quality positively. C) Geothermal energy reduces greenhouse gas emissions to zero. D) Geothermal energy has no environmental impacts. Show Answer Correct Answer: A) Geothermal energy can lead to land use changes, greenhouse gas emissions, water contamination, and induced seismicity. 38. The process of removal of oxygen from a substance is called ..... A) Oxidation. B) Reduction. C) Redox. D) None of the above. Show Answer Correct Answer: B) Reduction. 39. Which metal cannot be used with an acid to prepare Hydrogen gas( give me the reason orally Why ) A) Potassium. B) Sodium. C) Calcium. D) Lead. Show Answer Correct Answer: D) Lead. 40. What is the transition for Cyan? A) N=6 $\rightarrow$ n=2. B) N=3 $\rightarrow$ n=2. C) N=4 $\rightarrow$ n=2. D) N=5 $\rightarrow$ n=2. Show Answer Correct Answer: C) N=4 $\rightarrow$ n=2. 41. What makes 75% mass of the mass in the universe A) Iron & its compounds. B) Humans. C) Earth. D) Hydrogen. Show Answer Correct Answer: D) Hydrogen. 42. What is the Pauling Electronegativity scale used for? A) To calculate the bond energy. B) To determine the bond length. C) To classify the electronegativity of each atom. D) To measure the boiling point. Show Answer Correct Answer: C) To classify the electronegativity of each atom. 43. What is the primary reaction in a hydrogen-oxygen fuel cell? A) Hydrogen combusts with oxygen to produce carbon dioxide. B) Hydrogen reacts with oxygen to produce water and electrical energy. C) Oxygen reacts with carbon to form carbon monoxide. D) Hydrogen reacts with nitrogen to form ammonia. Show Answer Correct Answer: B) Hydrogen reacts with oxygen to produce water and electrical energy. 44. Which of the following statement(s) is/are correct in the case of heavy water? A) Heavy water is Less associated than ordinary water. B) Heavy water is more effective as solvent than ordinary water. C) Heavy water has lower boiling point than ordinary water. D) Heavy water is used as a moderator in nuclear reactor. Show Answer Correct Answer: D) Heavy water is used as a moderator in nuclear reactor. 45. ..... will not react with dilute HCl A) Iron. B) Magnesium. C) Calcium. D) Copper. Show Answer Correct Answer: D) Copper. 46. Which material is commonly used as a catalyst in PEM fuel cells and electrolyzer? A) Platinum. B) Silver. C) Copper. D) Gold. Show Answer Correct Answer: A) Platinum. 47. True or FalseHydrogen fuel cells are batteries. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 48. Flourine's electron configuration is 2, 7. What is its Atomic number? A) 5. B) 2. C) 7. D) 9. Show Answer Correct Answer: D) 9. 49. H2O $\rightarrow$ H2 + O2 The given reaction represents A) Electrolysis. B) Steam reformer process. C) All the above. D) None of the above. Show Answer Correct Answer: A) Electrolysis. 50. What is the pH of a solution that has a [H+] of 2.5 x 10-5? A) 7. B) 4.60. C) 2.5. D) 5.0. Show Answer Correct Answer: B) 4.60. 51. What are the factors that can affect enzyme activity? A) Color of the enzyme. B) Time of day. C) Amount of water in the environment. D) Temperature, pH, substrate concentration, enzyme concentration, inhibitors or activators. Show Answer Correct Answer: D) Temperature, pH, substrate concentration, enzyme concentration, inhibitors or activators. 52. What is the primary source of hydrogen for fuel cells? A) Natural gas. B) Coal. C) Nuclear power. D) Solar energy. Show Answer Correct Answer: A) Natural gas. 53. Litmus paper is an indicator of acids and bases, it turns red for bases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 54. Which is the weakest IMF? A) London Dispersion. B) Dipole-Dipole. C) Hydrogen Bonding. D) None of the above. Show Answer Correct Answer: A) London Dispersion. 55. Which of the following statements regarding hydrogen peroxide is/ are incorrect? A) As aerating agent in production of sponge rubber. B) As an antichlor. C) For restoring white colour of blackened lead painting. D) All of the above. Show Answer Correct Answer: D) All of the above. 56. Which type of bond is primarily responsible for the high boiling point of water? A) Hydrogen bond. B) Covalent bond. C) Ionic bond. D) Van der Waals forces. Show Answer Correct Answer: A) Hydrogen bond. 57. What type of bond is formed between a hydrogen atom and an electronegative atom? A) Ionic bond. B) Van der Waals bond. C) Hydrogen bond. D) Covalent bond. Show Answer Correct Answer: C) Hydrogen bond. 58. What is a major benefit of hydrogen vehicles compared to internal-combustion engine vehicles? A) No harmful emissions. B) More durable engines. C) Higher speed. D) Lower cost. Show Answer Correct Answer: A) No harmful emissions. 59. What is the definition of hydrogen bonding? A) A bond formed between two hydrogen atoms. B) An ionic bond between hydrogen and a metal. C) Hydrogen bonding is an attractive force between a hydrogen atom bonded to an electronegative atom and another electronegative atom. D) A strong covalent bond between hydrogen and oxygen. Show Answer Correct Answer: C) Hydrogen bonding is an attractive force between a hydrogen atom bonded to an electronegative atom and another electronegative atom. 60. The number of hydrogen isotopes (a) A) 0. B) 1. C) A. 3. D) 2. Show Answer Correct Answer: C) A. 3. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books