This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In water, hydrogen bonds hold together A) Hydrogen and oxygen atoms in different molecules. B) Hydrogen atoms in the same molecule. C) Hydrogen and oxygen atoms in the same molecule. D) Hydrogen atoms in different molecules. Show Answer Correct Answer: A) Hydrogen and oxygen atoms in different molecules. 2. What is the atomic # for Sodium. A) 11. B) 10. C) 5. D) 3. Show Answer Correct Answer: A) 11. 3. What is the primary challenge in storing hydrogen? A) Its high density. B) Its low density. C) Its color. D) Its odor. Show Answer Correct Answer: B) Its low density. 4. Which relationship is present in a solution that has a pH of 7? A) [H+] = [OH-]. B) [H+] > [OH-]. C) [H+] < [OH-]. D) [H+] + [OH-] = 7. Show Answer Correct Answer: A) [H+] = [OH-]. 5. By using which method 95 % of hydrogen is produced in USA? A) Steam reformer. B) Electrolysis. C) Passing steam over red hot coke. D) Reacting zinc with dil HCl. Show Answer Correct Answer: A) Steam reformer. 6. Molecular Formula of hydrogen A) H. B) H$_{2}$. C) OH. D) None of the above. Show Answer Correct Answer: B) H$_{2}$. 7. ..... is the radioactive isotope of Hydrogen A) Deuterium. B) Tritium. C) All the above. D) None of the above. Show Answer Correct Answer: B) Tritium. 8. How will you define an Orbital? A) The place where finding the electron probability is maximum. B) They are just single electron wavefunction. C) There is no defination for orbital. D) None of the above. Show Answer Correct Answer: B) They are just single electron wavefunction. 9. In solid ice, oxygen atom is surrounded A) Octahedrally by 2 oxygen and 4 hydrogen atoms. B) Tetrahedrally by 4 hydrogen atoms. C) Tetrahedrally by 2 hydrogen and 2 oxygen atoms. D) None of the above. Show Answer Correct Answer: B) Tetrahedrally by 4 hydrogen atoms. 10. Sodium reacts violently with water but sodium ..... reacts slowly with water to give hydrogen gas. A) Metal. B) Ion. C) Salts. D) Amalgam. Show Answer Correct Answer: D) Amalgam. 11. A solution of hydrogen chloride gas was named ..... A) Muriatic acid. B) Sulphuric acid. C) Muriatic base. D) None of the above. Show Answer Correct Answer: A) Muriatic acid. 12. What is the difference between Hydrogen Bonding and Dipole Dipole A) Hydrogen Bonding is a special type of bonding where all of the hydrogen bonds are connected and includes HNOF. B) Dipole Dipole is stronger. C) Hydrogen Bonding exists among noble gases and other non polar molecules. D) None of the above. Show Answer Correct Answer: A) Hydrogen Bonding is a special type of bonding where all of the hydrogen bonds are connected and includes HNOF. 13. Which of the following is a disadvantage of hydrogen fuel cells? A) They produce greenhouse gases. B) They are expensive to produce. C) They are less efficient than gasoline engines. D) They are heavier than batteries. Show Answer Correct Answer: B) They are expensive to produce. 14. How is hydrogen obtained for fuel purposes? A) By photosynthesis. B) By condensation. C) By splitting molecules. D) By mining. Show Answer Correct Answer: C) By splitting molecules. 15. What are the main components of a hydrogen fuel cell? A) Combustion chamber, turbine, radiator. B) Proton exchange membrane, fuel tank, exhaust system. C) Generator, battery, inverter. D) Anode, cathode, electrolyte membrane. Show Answer Correct Answer: D) Anode, cathode, electrolyte membrane. 16. Which of the following compound gives white ppt. when reacts with hydrochloric acid? A) Copper nitrate. B) Calcium carbonate. C) Sodium sulphide. D) Lead nitrate. Show Answer Correct Answer: D) Lead nitrate. 17. When the pH of a solution is changed from 4 to 3, the hydronium ion concentration of the solution A) Decreases by a factor of 10. B) Increases by a factor of 10. C) Decreases by a factor of 100. D) Increases by a factor of 100. Show Answer Correct Answer: B) Increases by a factor of 10. 18. What is the name of the type of bond that connects the hydrogen and oxygen in a water molecule? A) Polar covalent bond. B) Nonpolar covalent bond. C) Ionic bond. D) Hydrophobic interaction. Show Answer Correct Answer: A) Polar covalent bond. 19. In a hydrogen fuel cell, what is the main byproduct of the reaction? A) Carbon dioxide. B) Water. C) Methane. D) Oxygen. Show Answer Correct Answer: B) Water. 20. Only ..... will react with ice cold water. A) Hydrogen. B) Potassium. C) Copper. D) Alkali. Show Answer Correct Answer: B) Potassium. 21. The unusually higher boiling point of hydrogen fluoride compared to hydrogen chloride is due to A) Hydrogen bonds between the molecules. B) Polar character of the molecule. C) The linear structure of the molecules. D) Ionic bonds between the molecules. Show Answer Correct Answer: C) The linear structure of the molecules. 22. What is essential for producing truly green hydrogen? A) Using nuclear energy. B) Electrolysis using sustainable energy. C) Steam reforming of methane. D) Extraction from biomass. Show Answer Correct Answer: B) Electrolysis using sustainable energy. 23. In what way do hydrogen bonds affect the solubility of substances in water? A) Hydrogen bonds have no effect on the solubility of any substances in water. B) Hydrogen bonds enhance the solubility of polar substances in water by facilitating interactions between water and the solute. C) Hydrogen bonds only affect the solubility of non-polar substances in water. D) Hydrogen bonds decrease the solubility of polar substances in water. Show Answer Correct Answer: B) Hydrogen bonds enhance the solubility of polar substances in water by facilitating interactions between water and the solute. 24. What is the chemical formula of hydrogen peroxide? A) H$_{2}$O$_{2}$. B) H$_{2}$O. C) O$_{2}$. D) HO$_{2}$. Show Answer Correct Answer: A) H$_{2}$O$_{2}$. 25. Carbonates and bicarbonates reacts with hydrochloric acid to give salt, water and ..... A) Chlorine. B) Hydrogen. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon dioxide. ← 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