This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the simplest atom in the universe? A) Hydrogen. B) Helium. C) Carbon. D) Nitrogen. Show Answer Correct Answer: A) Hydrogen. 2. How does hydrogen bonding affect the boiling point of water? A) It lowers the boiling point. B) It has no effect on the boiling point. C) It raises the boiling point. D) It makes the boiling point unpredictable. Show Answer Correct Answer: C) It raises the boiling point. 3. What is the primary advantage of using hydrogen as a fuel in vehicles? A) It is abundant and renewable. B) It produces carbon emissions. C) It is cheaper than gasoline. D) It is a solid at room temperature. Show Answer Correct Answer: A) It is abundant and renewable. 4. Cryogenic liquids are substances which are in gaseous state at room temperature and pressures, whereas at low temperatures, they are in liquid states. They are extemely cold liquids with boiling point less than ..... $^{o}$C A) -150. B) 0. C) 150. D) -238. Show Answer Correct Answer: A) -150. 5. Hydrogen fuel cells produce electricity with what by product? A) Carbon dioxide. B) Water. C) Sulfur dioxide. D) Nitrogen oxides. Show Answer Correct Answer: B) Water. 6. What is the significance of hydrogen bonding in biological systems? A) Hydrogen bonding is irrelevant to protein structure. B) Hydrogen bonding is significant for the structure and function of proteins and nucleic acids in biological systems. C) Hydrogen bonding is primarily responsible for energy production. D) Hydrogen bonding only affects lipid membranes. Show Answer Correct Answer: B) Hydrogen bonding is significant for the structure and function of proteins and nucleic acids in biological systems. 7. On introducing a burning splinter, hydrogen gas ..... A) Extinguishes the flame. B) Continues to burn. C) Burns with a pop up sound. D) None of the above. Show Answer Correct Answer: C) Burns with a pop up sound. 8. Which 0.1 M solution has a pH greater than 7? A) C6H12O6. B) CH3COOH. C) KCl. D) KOH. Show Answer Correct Answer: D) KOH. 9. (CO + H2O) $\rightarrow$ (CO+H2)-Heatexplain the nature of this reaction A) Exothermic. B) Endothermic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Endothermic. 10. Why is granulated zinc preferred to prepare hydrogen A) It contains an impurity called copper. B) It has no impurity. C) It has zinc as impurity. D) None. Show Answer Correct Answer: A) It contains an impurity called copper. 11. What is fed into the anode compartment of the hydrogen fuel cell? A) Hydrogen gas. B) Oxygen gas. C) Water. D) Electrolyte. Show Answer Correct Answer: A) Hydrogen gas. 12. How much Hydrogen is produced annually in USA? A) 9 million metric tons. B) 1 billion tons. C) 500 billion tons. D) 365 million metric tons. Show Answer Correct Answer: A) 9 million metric tons. 13. What is geothermal energy and how is it produced? A) Geothermal energy is heat energy generated and stored in the Earth, produced by tapping into geothermal reservoirs through wells. B) Geothermal energy is generated from wind turbines. C) Geothermal energy is derived from solar panels. D) Geothermal energy is produced by burning fossil fuels. Show Answer Correct Answer: A) Geothermal energy is heat energy generated and stored in the Earth, produced by tapping into geothermal reservoirs through wells. 14. A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a ..... A) Nonpolar molecule. B) Polar molecule. C) Ionic compound. D) Metalic compound. Show Answer Correct Answer: B) Polar molecule. 15. H2O2 used in rocket has the concentration: A) 50%. B) 90%. C) 70%. D) 30%. Show Answer Correct Answer: B) 90%. 16. Temporary hardness is caused by ..... A) Chlorides. B) Sulphates. C) Hydrogen carbonates. D) Hydrogen Sulphates. Show Answer Correct Answer: C) Hydrogen carbonates. 17. Any moisture present in hydrogen gas can be removed by passing through a U tube containing ..... A) Calcium hydroxide. B) Caustic potash. C) Calcium chloride. D) None of the above. Show Answer Correct Answer: C) Calcium chloride. 18. What is the primary reaction occurring at the cathode of the fuel cell? A) Oxygen is oxidized to form oxygen ions. B) Oxygen reacts with hydrogen ions and electrons to produce water. C) Hydrogen ions are reduced to form hydrogen gas. D) Water molecules are broken down into hydrogen and oxygen. Show Answer Correct Answer: B) Oxygen reacts with hydrogen ions and electrons to produce water. 19. ..... character decreases down the activity series. A) Electropositive. B) Electronegative. C) Oxidising. D) Tendency to gain electrons. Show Answer Correct Answer: A) Electropositive. 20. Hydrogen shows similarities with alkali metals and ..... A) Rare gases. B) Halogens. C) Alkali earth metals. D) None of the above. Show Answer Correct Answer: B) Halogens. 21. Mode of hybridization affects A) 's' character of a bond pair electron. B) 's' & 'p' character of a bond pair. C) None of these. D) Odd electron. Show Answer Correct Answer: B) 's' & 'p' character of a bond pair. 22. THE DISTANCE BETWEEN SUCCESIVE LINE IN THE INREASING ORDER OF FREQUENCY OF HYDROGEN SPECTRUM IS A) REMAINS SAME. B) DECREASES. C) NO LINES OBSERVED. D) INCREASES. Show Answer Correct Answer: B) DECREASES. 23. Which of the following elements make up 96% of living things. A) Water and carbon. B) Carbon, hydrogen, oxygen, sodium. C) Carbon, hydrogen, oxygen, nitrogen. D) Nitrogen, potassium, phosphate. Show Answer Correct Answer: C) Carbon, hydrogen, oxygen, nitrogen. 24. The stable allotropic form of Sulphur (below 96$^{0}$ C is) A) Rhombic. B) Monoclinic. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rhombic. 25. The UK has a hydrogen infrastructure? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← 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