This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydrogen is heaviest gas A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 2. What property of water is used by organism during sweating? A) Adhesion. B) Cohesion. C) Evaporative Cooling. D) Less Dense as Solid. Show Answer Correct Answer: C) Evaporative Cooling. 3. What is the main factor that determines the density of ice compared to water? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Dipole-dipole interactions. Show Answer Correct Answer: A) Hydrogen bonding. 4. Which property of water is a direct result of hydrogen bonding? A) High surface tension. B) High density. C) Low specific heat capacity. D) Low boiling point. Show Answer Correct Answer: A) High surface tension. 5. Water is oxidized to oxygen by: A) Ozone. B) KMnO4. C) H2O2. D) F2. E) ClO2. Show Answer Correct Answer: D) F2. 6. In laboratory method of preparation of hydrogen, hydrogen is collected by downward displacement of water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Why does hair looks straight when wet? A) Hydrogen bond between water and protein molecules of hair. B) Hydrogen bond between protein membrane among hairs. C) All the above. D) None of the above. Show Answer Correct Answer: A) Hydrogen bond between water and protein molecules of hair. 8. Which of the following best explains why water is a good solvent for ionic compounds? A) Water molecules are nonpolar and can surround ions. B) Water molecules are polar and can surround ions. C) Water molecules form covalent bonds with ions. D) Water molecules are hydrophobic and repel ions. Show Answer Correct Answer: B) Water molecules are polar and can surround ions. 9. True of False:Alkaline and Acidic Hydrogen fuel cells have the same overall reaction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. What Country is the largest producer of Hydrogen Fuel Cells A) China. B) Canada. C) United States. D) Germany. Show Answer Correct Answer: A) China. 11. Who discovered Sodium? A) Humphry Davey. B) Humpry Davey. C) Humphry Davy. D) Humphry Davie. Show Answer Correct Answer: C) Humphry Davy. 12. Hydrogen has the highest explosive energy per unit of stored fuel. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. What are the safety concerns related to geothermal energy? A) Safety concerns related to geothermal energy include induced seismicity, harmful gas release, water contamination, land subsidence, and geothermal waste management. B) Geothermal energy has no effect on local wildlife or ecosystems. C) Geothermal energy only produces renewable electricity without any environmental impact. D) Geothermal energy is completely safe with no risks. Show Answer Correct Answer: A) Safety concerns related to geothermal energy include induced seismicity, harmful gas release, water contamination, land subsidence, and geothermal waste management. 14. What is the main by-product of using hydrogen in a fuel cell? A) Carbon dioxide. B) Water. C) Sulfur dioxide. D) Nitrogen oxides. Show Answer Correct Answer: B) Water. 15. The structure of H$_{2}$O$_{2}$ is A) Spherical. B) Non-planar. C) Planar. D) Linear. Show Answer Correct Answer: B) Non-planar. 16. Hydrogen is A) Element no. 1 in the Periodic Table. B) Can bond with almost all other elements. C) Needed to form water. D) All statements are correct. Show Answer Correct Answer: D) All statements are correct. 17. Who is responsible for the model of the atom where electrons travel in specific paths or orbits around the nucleus? A) Einstein. B) Bohr. C) Planck. D) Dalton. Show Answer Correct Answer: B) Bohr. 18. ..... names / coined the term Hydrogen. A) Robert Boyle. B) Dalton. C) Lavoisier. D) None of the above. Show Answer Correct Answer: C) Lavoisier. 19. Which of the following compounds will NOT form hydrogen bonds with water? A) $CH_3OH$. B) $H_2O_2$. C) $C_2H_6$. D) $NH_3$. Show Answer Correct Answer: C) $C_2H_6$. 20. What are the three types of chemical bonding? A) Metallic, ionic, covalent. B) Protons, neutrons, electrons. C) Positive, negative, neutral. D) Chemical, metal and non-metal. Show Answer Correct Answer: A) Metallic, ionic, covalent. 21. Granulated zinc is preferred over other metals because it A) Contains copper which acts a catalyst. B) Contains iron. C) None. D) None of the above. Show Answer Correct Answer: A) Contains copper which acts a catalyst. 22. Name the drying agent/agents not used to dry hydrogen chloride gas A) Phosphorus pentaoxide. B) Phosphorus pentaoxide and calcium oxide. C) Calcium oxide. D) Conc.sulphuric acid. Show Answer Correct Answer: B) Phosphorus pentaoxide and calcium oxide. 23. If the hydrogen electron is in n=3 state then how many degenerate state is possible? A) 11. B) 3. C) 9. D) 5. Show Answer Correct Answer: C) 9. 24. Who discovered hydrogen A) Henry Cavendish. B) Robert Boyle. C) Antoine Lavoisier. D) None of the above. Show Answer Correct Answer: B) Robert Boyle. 25. A water molecule is a ..... molecule, which has one oxygen that has a *slight/partial* ..... charge and two hydrogens that have a *slight/partial* ..... charge. A) Nonpolar, positive, negative. B) Polar, positive, negative. C) Polar, negative, positive. D) Nonpolar, negative, positive. Show Answer Correct Answer: C) Polar, negative, positive. ← 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