This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 52 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 52 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When was the first fuel cell invented? A) 1701. B) 1839. C) 1990. D) None of the above. Show Answer Correct Answer: B) 1839. 2. Ionic hydrides are formed by A) Halogens. B) Chalogens. C) Group one elements. D) None of the above. Show Answer Correct Answer: C) Group one elements. 3. Which layer of air allows all living and nonliving activities to occur in? A) Thermosphere. B) Troposphere. C) Mezosphere. D) Stratosphere. Show Answer Correct Answer: B) Troposphere. 4. Water's high specific heat is mainly a consequence of the A) Small size of the water molecules. B) High specific heat of oxygen and hydrogen atoms. C) Absorption and release of heat when hydrogen bonds break and form. D) Fact that water is a poor heat conductor. E) Inability of water to dissipate heat into dry air. Show Answer Correct Answer: C) Absorption and release of heat when hydrogen bonds break and form. 5. In Frasch process of extraction of Sulphur superheated water at 170$^{0}$ C is pumped in through A) Outer pipe. B) Center pipe. C) Middle pipe. D) None. Show Answer Correct Answer: A) Outer pipe. 6. Hydrogen in elemental form exist as A) Triatomic. B) Diatomic. C) Monoatomic. D) H. Show Answer Correct Answer: B) Diatomic. 7. Asher and Naira are conducting an experiment to prepare HYDROGEN gas. Which of the following is not a preparation technique they should use? A) Using water and methane. B) Electrolysis of water. C) Passing steam over red hot coke. D) Burning hydrogen in air. Show Answer Correct Answer: D) Burning hydrogen in air. 8. What is the primary byproduct of a hydrogen fuel cell? A) Water. B) Carbon Dioxide. C) Methane. D) Nitrogen. Show Answer Correct Answer: A) Water. 9. Which type of water property explains water's ability to stick to other material. A) Cohesion. B) Surface tension. C) Adhesion. D) High specific heat. Show Answer Correct Answer: C) Adhesion. 10. Which pair of substances does not produce hydrogen gas? A) Calcium and sulfuric acid. B) Copper and water. C) Sodium and water. D) Zinc and hydrochloric acid. Show Answer Correct Answer: B) Copper and water. 11. Which type of intermolecular force is the strongest? A) Hydrogen bonding. B) Dipole-dipole forces. C) London dispersion forces. D) None of the above. Show Answer Correct Answer: A) Hydrogen bonding. 12. Hydrogen peroxide oxidises [Fe(CN)$_{6}$]$^{4-}$ to [Fe(CN)$_{6}$]$^{3-}$ in acidic medium but reduces[Fe(CN)$_{6}$]$^{3-}$ to [Fe(CN)$_{6}$]$^{4-}$ in alkaline medium. The other products formed are, respectively: A) (H$_{2}$O + O$_{2}$ ) and (H$_{2}$O + OH$^{-}$). B) H$_{2}$O and (H$_{2}$O + O$_{2}$). C) H$_{2}$O and (H$_{2}$O + OH$^{-}$ ). D) (H$_{2}$O + O$_{2}$ ) and H$_{2}$O. Show Answer Correct Answer: B) H$_{2}$O and (H$_{2}$O + O$_{2}$). 13. What is the oxidation half equation for a hydrogen fuel cell operating under alkaline conditions? A) H$_{2}$(g) $\rightarrow$ 2H$^{+}$(aq) + 2e$^{-}$. B) H$_{2}$(g) + 2OH$^{-}$(aq) $\rightarrow$ 2H$_{2}$O (l) + 2e$^{-}$. C) O$_{2}$(g) +2H$_{2}$O (l) + 4e$^{-}$ $\rightarrow$ 4OH$^{-}$(aq). D) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (l). Show Answer Correct Answer: B) H$_{2}$(g) + 2OH$^{-}$(aq) $\rightarrow$ 2H$_{2}$O (l) + 2e$^{-}$. 14. What is the relationship between the frequency of emitted light and the energy change in the Bohr model? A) $\nu = \frac{E}{h}$. B) $\nu = E \times h$. C) $\nu = \frac{h}{E}$. D) $\nu = E + h$. Show Answer Correct Answer: A) $\nu = \frac{E}{h}$. 15. Which of the following describes the role of R groups in proteins? A) They determine the DNA sequence. B) They provide energy to the cell. C) They contribute to the protein's specific structure and function. D) They facilitate hydrogen bonding between nucleotides. Show Answer Correct Answer: C) They contribute to the protein's specific structure and function. 16. An example of a hydrogen bond is the bond between A) C and H in methane (CH4). B) The H of one water molecule and the O of another water molecule. C) Na+and Cl-in salt. D) The two hydrogen atoms in a molecule of hydrogen gas (H2). E) Mg+and Cl-in MgCl2. Show Answer Correct Answer: B) The H of one water molecule and the O of another water molecule. 17. Which sector is concerned with vehicle manufacture? A) Automotive. B) Mechanical. C) Chemical. D) Transport. Show Answer Correct Answer: A) Automotive. 18. Hydrogen peroxide is obtained by the electrolysis of A) Water. B) Sulphuric acid. C) Hydrochloric acid. D) Fused sodium peroxide. Show Answer Correct Answer: B) Sulphuric acid. 19. For the formation of covalent bond, the difference in the value of electronegativities should be A) Equal to or less than 1.7. B) More than 1.7. C) 1.7 or more. D) None. Show Answer Correct Answer: A) Equal to or less than 1.7. 20. Name the gas released when sodium sulphite reacts with hydrochloric acid. A) Hydrogen. B) Chlorine. C) Sulphur diioxide. D) Sulphur trioxide. Show Answer Correct Answer: C) Sulphur diioxide. 21. Electrodes of PEM Type of Fuel Cell are made up of A) Carbon. B) Nickel. C) Copper. D) Nickel Oxide. Show Answer Correct Answer: A) Carbon. 22. Which fuel has a density of 1.865 kg/m$^{3}$ (at 20$^\circ$C and 1atm)? A) Methane. B) Methanol. C) Ethanol. D) Propane. Show Answer Correct Answer: D) Propane. 23. What is the natural state of Hydrogen. A) Can be Liquid and Gas. B) Gas. C) Liquid. D) Solid. Show Answer Correct Answer: B) Gas. 24. Which type of Fuel Cells were initially used by NASA for Space Applications. A) Alkaline Fuel Cell (AFC). B) Phosphoric Acid Fuel Cell (PAFC). C) Polymer Electrolyte Membrane (PEM). D) Molten Carbonate Fuel Cell (MCFC). E) Solid Oxide Fuel Cell (SOFC). Show Answer Correct Answer: A) Alkaline Fuel Cell (AFC). 25. What is the color of bromcresol green indicator in a solution with a pH value of 2.0? A) Blue. B) Green. C) Red. D) Yellow. Show Answer Correct Answer: D) Yellow. ← 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