This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. According to the Bohr Model, an electron gains or loses energy by: A) Jumping from an S orbital to a P orbital. B) Moving faster or slower in an allowed orbit. C) Jumping from a low energy level to a higher energy level and visa versa. D) Jumping from one atom to another atom. Show Answer Correct Answer: C) Jumping from a low energy level to a higher energy level and visa versa. 2. What is the element symbol for hydrogen A) HY. B) H. C) He. D) Hn. Show Answer Correct Answer: B) H. 3. Hydrogen is accounted as S block element A) Galat, mein nahi manta. B) Sahi h. C) Chal chal apne baap ko maat sikha. D) None of the above. Show Answer Correct Answer: B) Sahi h. 4. Radio active isotope of hydrogen. A) Protium. B) Deuterium. C) Tritium. D) All the above. Show Answer Correct Answer: C) Tritium. 5. During a chemistry class, Rohan asked the teacher about the alternative name for syn gas. What is it also known as? A) Water gas. B) Gas without water. C) All the above. D) None of the above. Show Answer Correct Answer: A) Water gas. 6. The nucleic acid DNA is double stranded. The two strands are held together by A) Hydrogen bonds. B) Covalent bonds. C) Proteins. D) Fats. Show Answer Correct Answer: A) Hydrogen bonds. 7. How can excess electricity be stored using hydrogen? A) In wind turbines. B) In underground tanks. C) In fuel cells. D) In batteries. Show Answer Correct Answer: B) In underground tanks. 8. A combination of two or more substances that can be physically separated is called a ..... A) Mixture. B) Pure substance. C) Compound. D) None of the above. Show Answer Correct Answer: A) Mixture. 9. The only liquid from alcohol series used as a source of hydrogen in fuel cells is A) Ethanol. B) Methanol. C) Ethene. D) None of the above. Show Answer Correct Answer: B) Methanol. 10. ..... experiment is used to demonstrate high solubility of HCl gas in water A) Mountain. B) Fountain. C) Simple. D) None of the above. Show Answer Correct Answer: B) Fountain. 11. Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect? A) Its tendency to lose an electron to form a cation. B) Its tendency to gain a single electron in its valence shell to attain stable electronic configuration. C) Its low negative electron gain enthalpy value. D) Its small size. Show Answer Correct Answer: B) Its tendency to gain a single electron in its valence shell to attain stable electronic configuration. 12. Water's extremely strong hydrogen bonding causes the high boiling point of water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. How do you overcome a difficulty in turning the pages of a book when the pages stick together? A) Ripping the pages until they are separated. B) Shake the book until the pages separate. C) Lick your finger before turning the pages. D) Blow the pages as hard as you can. Show Answer Correct Answer: C) Lick your finger before turning the pages. 14. Which experiment led to the development of the Bohr model? A) Rutherford's gold foil experiment. B) Millikan's oil drop experiment. C) Thomson's cathode ray experiment. D) Einstein's photoelectric effect. Show Answer Correct Answer: A) Rutherford's gold foil experiment. 15. Hydrogen is a constituent of ..... A) Sugar and starch. B) Fat and protein. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 16. In physical properties, isotopes of Hydrogen differ considerably due to their ..... A) Large mass differences. B) Small mass differences. C) Large reactivity differences. D) Small mass. Show Answer Correct Answer: A) Large mass differences. 17. A nitrogen molecule (N$_{2}$) has how many covalent bonds between the 2 nitrogen atoms? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 18. Metal hydrides are ionic, covalent or molecular in nature. Among LiH, NaH, KH, RbH, CsH, the correct order of increasing ionic character is A) LiH > NaH > CsH > KH>RbH. B) LiH < NaH < KH < RbH < CsH. C) RbH > CsH > NaH > KH > LiH. D) NaH > CsH > RbH > LiH > KH. Show Answer Correct Answer: B) LiH < NaH < KH < RbH < CsH. 19. Hydrogen is a component of water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. In a hydrogen fuel cell, what role does the catalyst play? A) It stores hydrogen. B) It speeds up the chemical reaction. C) It absorbs water. D) It emits oxygen. Show Answer Correct Answer: B) It speeds up the chemical reaction. 21. In an endothermic reaction, energy is ..... A) Taken in or absorbed. B) Given out or released. C) All the above. D) None of the above. Show Answer Correct Answer: A) Taken in or absorbed. 22. Zinc Oxide is ..... A) Acidic. B) Basic. C) Neutral. D) Amphoteric. Show Answer Correct Answer: D) Amphoteric. 23. What is the main challenge for hydrogen power in terms of access to refueling stations? A) High cost of hydrogen fuel. B) Limited availability of hydrogen hubs. C) Incompatibility with existing vehicles. D) Lack of demand for hydrogen vehicles. Show Answer Correct Answer: C) Incompatibility with existing vehicles. 24. What is surface tension caused by? A) Gravity. B) Covalent bonds. C) Intermolecular forces. D) Adhesion. E) Intramolecular force. Show Answer Correct Answer: C) Intermolecular forces. 25. In which of the following substances is hydrogen bonding most likely to occur? A) Methane (CH4). B) Carbon dioxide (CO2). C) Ammonia (NH3). D) Sodium chloride (NaCl). Show Answer Correct Answer: C) Ammonia (NH3). ← 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