This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 40 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ground state is the highest energy state of an atom. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. What metal group is Hydrogen in? A) Alhkai Metal Group. B) Alkai Mital Group. C) Alkai Metal Group. D) Allkai Metal Group. Show Answer Correct Answer: C) Alkai Metal Group. 3. Liquefied hydrogen chloride does not conduct electricity. It shows the A) Electrovalent nature of hydrogen chloride. B) Covalent nature of hydrogen chloride. C) Neutral nature of hydrogen chloride. D) None of the above. Show Answer Correct Answer: B) Covalent nature of hydrogen chloride. 4. Fill in the blank:In a hydrogen-oxygen fuel cell, hydrogen is ..... at the anode. A) Reduced. B) Oxidized. C) Neutralized. D) Combusted. Show Answer Correct Answer: B) Oxidized. 5. Hydrogen removes metals from A) Metal sulphide. B) Metal hydroxide. C) Metal oxides. D) Metal nitrates. Show Answer Correct Answer: C) Metal oxides. 6. Any aqueous solution in which [H+] and [OH-] are equal is ..... A) A neutral solution. B) An acidic solution. C) A basic solution. D) A concentrated solution. Show Answer Correct Answer: A) A neutral solution. 7. Acidic fuel cells have ..... A) H$^{+}$ electrolyte. B) OH$^{-}$ electrolyte. C) All the above. D) None of the above. Show Answer Correct Answer: A) H$^{+}$ electrolyte. 8. FIND OUT THE PRODUCT:Zn+ NaOH $\rightarrow$ A) Zinc hydroxide and water. B) Zinc hydroxide and hydrogen. C) Sodium zincate and water. D) Sodium zincate and hydrogen. Show Answer Correct Answer: D) Sodium zincate and hydrogen. 9. Why are K, Na, and Ca not used for the production of hydrogen? A) Metals which are very reactive displace hydrogen from acids with explosive action. B) They are too below H on the reactivity series. C) They can only be used to produce hydrogen under high pressure and temperature. This pushes up the cost to make it unviable. D) None of the above. Show Answer Correct Answer: A) Metals which are very reactive displace hydrogen from acids with explosive action. 10. Hydrogen is a ..... molecule. A) Monoatomic. B) Diatomic. C) Triatomic. D) None of the above. Show Answer Correct Answer: B) Diatomic. 11. Which method can be used to obtain pure water from salty water? A) Filtration. B) Decantation. C) Distillation. D) Evaporation. Show Answer Correct Answer: C) Distillation. 12. Which atom which must be present in hydrogen bonding? A) Hydrogen. B) Sodium. C) Calcium. D) Sulphur. Show Answer Correct Answer: A) Hydrogen. 13. One benefit of litmus paper is that it ..... A) Tells you the pH of a substance. B) It is inexpensive. C) It connects to a computer. D) You can make it with materials you have at home. Show Answer Correct Answer: B) It is inexpensive. 14. Which is the second strongest intermolecular force, after hydrogen bonding? A) Dipole-dipole attraction. B) London forces. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dipole-dipole attraction. 15. Hydrogen with active metals forms: A) Water H$_{2}$O. B) Ammonia NH$_{3}$. C) Hydrates KH, LiH. D) Bases NaOH. Show Answer Correct Answer: C) Hydrates KH, LiH. 16. What is the pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4? A) 5. B) 2. C) 3. D) 6. Show Answer Correct Answer: B) 2. 17. Electrode in a fuel cell are made of A) Copper. B) Carbon. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: B) Carbon. 18. The unusual properties of water in the condensed phase (liquid and solid states) are due to the presence of extensive ..... between water molecules. A) Hydrogen bonding. B) Bond dissociation enthalpy. C) Less bond angle. D) More bond length. Show Answer Correct Answer: A) Hydrogen bonding. 19. ..... is removed from hydrogen gas by dissolving it in ammoniacal cuprous chloride solution A) Carbon dioxide. B) Carbon monoxide. C) Arsine. D) None of the above. Show Answer Correct Answer: B) Carbon monoxide. 20. How do hydrogen bonds affect the behavior of alcohols compared to hydrocarbons? A) Alcohols have lower boiling points than hydrocarbons due to hydrogen bonds. B) Hydrogen bonds do not affect the polarity of alcohols compared to hydrocarbons. C) Hydrogen bonds make alcohols more polar, leading to higher boiling points and greater solubility in water compared to hydrocarbons. D) Hydrogen bonds make alcohols less soluble in water than hydrocarbons. Show Answer Correct Answer: C) Hydrogen bonds make alcohols more polar, leading to higher boiling points and greater solubility in water compared to hydrocarbons. 21. Which pH indicates a basic solution? A) 1. B) 5. C) 7. D) 12. Show Answer Correct Answer: D) 12. 22. What do cohesion, surface tension, and adhesion have in common with reference to water? A) All are properties related to hydrogen bonding. B) All have to do with ionic interactions. C) All are results of the structure of the hydrogen atom. D) All are aspects of a crystalline structure. E) All are produced by covalent bonding. Show Answer Correct Answer: A) All are properties related to hydrogen bonding. 23. A commercial sample of hydrogen peroxide is labelled as 10 volumes. Its percentage strength is nearly: A) 1%. B) 3%. C) 10%. D) 90%. Show Answer Correct Answer: B) 3%. 24. Air is ..... times heavier than hydrogen A) 14.4. B) 13. C) 13.3. D) 19. Show Answer Correct Answer: A) 14.4. 25. What observation indicates that the hydrogen gas produced in the laboratory is pure and ready to be collected? A) The reaction mixture stops bubbling. B) The gas burns with a popping sound when tested. C) The gas burns quietly when tested. D) The gas produces a white smoke when burned. Show Answer Correct Answer: C) The gas burns quietly when tested. ← 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