This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. IN WHICH SERIES THE UV RADIATION BELONGS A) Lyman. B) Balmer. C) Pashen. D) Brackett. Show Answer Correct Answer: A) Lyman. 2. To ensure the hydrogen torch remains functional for the year we need to keep adding A) Distilled Water. B) Electrolyte. C) Copper sulfate. D) Welding material. Show Answer Correct Answer: A) Distilled Water. 3. What does Sodium conducts? A) Heat & Electrcity. B) Heat & Electricity. C) Gas & Smoke. D) Smoke & Electricity. Show Answer Correct Answer: B) Heat & Electricity. 4. 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. 5. What do fuel cells emit? A) Oxygen. B) Hydrogen. C) Water. D) None of the above. Show Answer Correct Answer: C) Water. 6. 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. 7. 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. 8. Hydrogen bonding is a type of ..... intermolecular force. A) Weak. B) Strong. C) Low. D) High. Show Answer Correct Answer: B) Strong. 9. In the preparation of Hydrogenated Oil in industries is known as A) Oxidation. B) Reduction. C) Hydrogenation. D) Hydration. Show Answer Correct Answer: C) Hydrogenation. 10. Red hair has ..... amounts of eumelanin and pheomelanin. A) Equal. B) High. C) Low. D) No. Show Answer Correct Answer: A) Equal. 11. Which type of Fuel Cell do not require Catalyst made of Nobel Metal (Gold/Silver/Platinum)? A) Alkaline Fuel Cell (AFC). B) Phosphoric Acid Fuel Cell (PAFC). C) Polymer Electrolyte Membrane (PEM). D) Molten Carbonate Fuel Cell (MCFC). Show Answer Correct Answer: D) Molten Carbonate Fuel Cell (MCFC). 12. What is the approximate difference in electronegativity for a non-polar covalent bond? A) 0. B) 0.35. C) 0.89. D) 2.23. Show Answer Correct Answer: A) 0. 13. 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. 14. 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. 15. 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. 16. What is the equation for the cathode reaction in a hydrogen-oxygen fuel cell? A) H2 $\rightarrow$ 2H+ + 2e-. B) O2 + 4H+ + 4e-$\rightarrow$ 2H2O. C) 2H2O $\rightarrow$ 4H+ + O2 + 4e-. D) H2 + O2 $\rightarrow$ H2O. Show Answer Correct Answer: B) O2 + 4H+ + 4e-$\rightarrow$ 2H2O. 17. Which of the following are formed by d-blockelements? A) Ionic hydrides. B) Non-stoichiometric hydrides. C) Molecular hydrides. D) Covalent hydrides. Show Answer Correct Answer: B) Non-stoichiometric hydrides. 18. 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. 19. How many hydrogen atoms are in one water molecule? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 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) Hd. D) Ho. Show Answer Correct Answer: A) H. 22. Which of the following is a byproduct of hydrogen fuel cells? A) Carbon Dioxide. B) Water. C) Methane. D) Sulfur Dioxide. 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) 13-14. C) 0-14. D) 7-8. Show Answer Correct Answer: C) 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$_{2}$. ← 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