This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Can chlorine, Cl$_{2}$ form hydrogen bonds? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 2. Gases exert pressure in ..... A) All directions. B) Upward direction. C) Downward direction. D) None of the above. Show Answer Correct Answer: A) All directions. 3. Which impurities are removed by passing through caustic soda A) Arsine and Phosphine. B) Hydrogen sulphide. C) Moisture. D) NO2/CO2/SO2. Show Answer Correct Answer: D) NO2/CO2/SO2. 4. Which type of reaction is:PbCl$_{2}$ + AgNO$_{3}$ $\rightarrow$ Pb(NO$_{3}$)$_{2}$ + AgCl A) Synthesis. B) Decomposition. C) Single Displacement. D) Double Displacement. Show Answer Correct Answer: D) Double Displacement. 5. How do hydrogen bonds affect the viscosity of liquids? A) Hydrogen bonds decrease the viscosity of liquids by weakening intermolecular attractions. B) Hydrogen bonds only affect the density of liquids, not their viscosity. C) Hydrogen bonds have no effect on the viscosity of liquids. D) Hydrogen bonds increase the viscosity of liquids by creating stronger intermolecular attractions that resist flow. Show Answer Correct Answer: D) Hydrogen bonds increase the viscosity of liquids by creating stronger intermolecular attractions that resist flow. 6. What is the main driving force behind the folding of proteins? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Hydrophobic effect. Show Answer Correct Answer: D) Hydrophobic effect. 7. How does temperature affect the efficiency of geothermal energy systems? A) Geothermal energy systems are more efficient at room temperature. B) Higher temperatures increase the efficiency of geothermal energy systems. C) Lower temperatures enhance the efficiency of geothermal energy systems. D) Temperature has no impact on geothermal energy systems' efficiency. Show Answer Correct Answer: B) Higher temperatures increase the efficiency of geothermal energy systems. 8. ..... can be added as a stabiliser in H$_{2}$O$_{2}$? A) Nitrogen. B) Urea. C) Phosphorous. D) Potassium. Show Answer Correct Answer: B) Urea. 9. If the hydrogen fuel cell was operating under alkaline conditions, what electrolyte could be used? A) NaCl. B) HCl. C) KOH. D) H$_{3}$PO$_{4}$. Show Answer Correct Answer: C) KOH. 10. PbO2 + SO2 $\rightarrow$ PbSO4Name the substance reduced A) PbO2. B) SO2. C) PbSO4. D) This is not a redox reaction. Show Answer Correct Answer: A) PbO2. 11. What is produced by a hydrogen-oxygen fuel cell? A) Water and Carbon Dioxide. B) Carbon Dioxide. C) Water. D) None of the above. Show Answer Correct Answer: C) Water. 12. Which of the following transitions involves maximum amount of energy? A) M-(g) M(g). B) M(g) M+ (g). C) M+ (g) M2+(g). D) M2+(g) M3+(g). Show Answer Correct Answer: A) M-(g) M(g). 13. Why aren't hydrogen fuel cells more widely used? A) Hydrogen is a gas and is therefore difficult to store and also highly explosive. B) Expensive to manufacture e.g. porous electrodes. C) Requires Petrol Stations around the country to be on board with Hydrogen Fuelling stations (Only 3 in Australia). D) All of the above. Show Answer Correct Answer: D) All of the above. 14. What is the angle between the hydrogen-oxygen-hydrogen atoms in a water molecule? A) 104.5 degrees. B) 90 degrees. C) 120 degrees. D) 180 degrees. Show Answer Correct Answer: A) 104.5 degrees. 15. Lead metal cannot be used to prepare Hydrogen gas from hydrochloric acid, because A) Insoluble lead chloride will form to coat the metal. B) Lead is lesser reactive metal than hydrogen. C) Lead is an inert metal. D) Lead chloride can oxidize hydrogen into water. Show Answer Correct Answer: A) Insoluble lead chloride will form to coat the metal. 16. Hydrogen is a ..... A) Gas. B) Solid. C) Liquid. D) None of the above. Show Answer Correct Answer: A) Gas. 17. Which type of reaction is:3Ca + 2AlCl$_{3}$ $\rightarrow$ 3CaCl$_{2 }$+$_{ }$2Al A) Synthesis. B) Decomposition. C) Single Displacement. D) Double Displacement. Show Answer Correct Answer: C) Single Displacement. 18. Which Charge Career flows through Membrane of PEM type of Fuel Cell? A) OH$^{-}$. B) H$^{+}$. C) O$^{ }$. D) None of the above. Show Answer Correct Answer: B) H$^{+}$. 19. Hydrogen can be prepared by the action of dil. H2SO4 on: A) Copper. B) Iron. C) Lead. D) Mercury. Show Answer Correct Answer: B) Iron. 20. Why is granulated zinc used for laboratory preparation of hydrogen. A) Granulated zinc contains an impurity copper, which acts as an negative catalyst. B) Granulated zinc is cheap. C) Granulated zince contains an impurity zinc which acts as an positive catalyst. D) Granulated zinc contains an impurity copper, which acts as an positive catalyst. Show Answer Correct Answer: D) Granulated zinc contains an impurity copper, which acts as an positive catalyst. 21. Like magnets, polar molecules attract to ( ..... ..... or similar charges). A) Universal solvent. B) Opposite charges. C) Surface tension. D) Hydrogen boning. Show Answer Correct Answer: B) Opposite charges. 22. H2 + Br2 $\rightarrow$ A) 2HCl. B) 2HBr. C) All the above. D) None of the above. Show Answer Correct Answer: B) 2HBr. 23. Water is a polar compound. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Which of the following is not a water softener A) Na$_{2}$CO$_{3}$. B) Na$_{2}$SO$_{4 }$. C) Calgon. D) Permutit. Show Answer Correct Answer: B) Na$_{2}$SO$_{4 }$. 25. At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is a solid. This is because ..... A) Hydrogen Bonding. B) Gravitational Force. C) London Dispersion increases with molecular size. D) Dipole-Dipole. Show Answer Correct Answer: C) London Dispersion increases with molecular size. ← 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