This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is efficiency of existing vehicles using fossil fuels? A) 50. B) 90. C) 75. D) 100. Show Answer Correct Answer: A) 50. 2. Which of the following is a key advantage of hydrogen fuel cells over traditional combustion engines? A) Higher energy density. B) Zero emissions. C) Lower cost. D) Faster refueling time. Show Answer Correct Answer: B) Zero emissions. 3. Which of the following represents Metal + Alkali A) Zn + NaOH $\rightarrow$ Na2ZnO2 + H2. B) Zn + HCl $\rightarrow$ ZnCl2 + H2. C) All the above. D) None of the above. Show Answer Correct Answer: A) Zn + NaOH $\rightarrow$ Na2ZnO2 + H2. 4. When metal reacts with hydrogen it forms A) Metal oxide. B) Metal hydroxide. C) Metal hydrides. D) Hydrogen gas. Show Answer Correct Answer: C) Metal hydrides. 5. What is the reason for Cummins to venture into hydrogen engines? A) Rising popularity of electric vehicles. B) Regulations on natural gas engines. C) Increasing demand for sustainable engines. D) Decreasing demand for diesel engines. Show Answer Correct Answer: C) Increasing demand for sustainable engines. 6. What is the term used to represent the polarity of a bond? A) Dipole-dipole. B) Van der Waals. C) Ionic. D) Covalent. Show Answer Correct Answer: A) Dipole-dipole. 7. What is the formula for the radius of the nth orbit in the Bohr model of the hydrogen atom? A) $r_n = n^2 \times r_0$. B) $r_n = n \times r_0$. C) $r_n = n^3 \times r_0$. D) $r_n = n^4 \times r_0$. Show Answer Correct Answer: A) $r_n = n^2 \times r_0$. 8. The solution used to absorb hydrogen sulphide as an impurity from hydrogen gas A) Silver (I) nitrate. B) Lead (II) nitrate. C) Potassium hydroxide. D) None of the above. Show Answer Correct Answer: B) Lead (II) nitrate. 9. Mira is conducting an experiment in her chemistry lab to prepare hydrogen gas. She uses granulated ..... with dilute ..... A) Iron, HCl. B) Zn, HCl. C) All the above. D) None of the above. Show Answer Correct Answer: B) Zn, HCl. 10. What is the transition for Red? A) N=3 $\rightarrow$ n=2. B) N=4 $\rightarrow$ n=2. C) N=5 $\rightarrow$ n=2. D) N=6 $\rightarrow$ n=2. Show Answer Correct Answer: A) N=3 $\rightarrow$ n=2. 11. Industrially hydrogen peroxide is prepared by the auto oxidation of A) 2-alkylanthraquinols. B) 4-alkylanthraquinols. C) Both a and b. D) None of the above. Show Answer Correct Answer: A) 2-alkylanthraquinols. 12. What material is commonly used as the electrolyte in hydrogen-oxygen fuel cells? A) Sulfuric acid. B) Potassium hydroxide. C) Sodium chloride. D) Hydrochloric acid. Show Answer Correct Answer: B) Potassium hydroxide. 13. Name the fuel cell which uses solid ceramic oxides as the electrolyte . A) PAFC. B) SOFC. C) MCFC. D) None of the above. Show Answer Correct Answer: B) SOFC. 14. It is kept away from dust because dust can induce explosive decomposition of the compound. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 15. The element placed below hydrogen in group 1 A) Na. B) Li. C) K. D) F. Show Answer Correct Answer: B) Li. 16. Fuel cells produce A) Electricity. B) Fossil Fuels. C) Hydrogen Gas. D) Gasoline. Show Answer Correct Answer: A) Electricity. 17. A fuel cell converts facilitates the conversion between which two types of energy? A) Chemical to electrical. B) Chemical to heat. C) Electrical to chemical. D) Heat to electrical. Show Answer Correct Answer: A) Chemical to electrical. 18. Why is Granulated Zinc Preferred A) It contains an impurity copper. B) It is pure. C) It is eatable. D) It is beautiful to see. Show Answer Correct Answer: A) It contains an impurity copper. 19. What is geothermal energy? A) Energy derived from solar panels. B) Geothermal energy is the heat energy generated and stored in the Earth. C) Electricity generated from wind turbines. D) Fossil fuel combustion for power generation. Show Answer Correct Answer: B) Geothermal energy is the heat energy generated and stored in the Earth. 20. The gas which is oxidising as well as reducing agent A) Red lead. B) Magnesium oxide. C) Sulphur dioxide. D) Bromine. Show Answer Correct Answer: C) Sulphur dioxide. 21. How does hydrogen bonding affect the properties of water? A) Hydrogen bonding decreases water's boiling point. B) Hydrogen bonding causes water to freeze at higher temperatures. C) Hydrogen bonding causes water to have high surface tension, high specific heat, and unique density properties. D) Hydrogen bonding makes water a poor solvent. Show Answer Correct Answer: C) Hydrogen bonding causes water to have high surface tension, high specific heat, and unique density properties. 22. Whichtype of storage are already existing forcommercial application: A) Salt cavern. B) Depleted field. C) Lined Rock cavern. D) None of the above. Show Answer Correct Answer: A) Salt cavern. 23. Which subshell (shape) corresponds to l = 2 in the hydrogen atom? A) S. B) P. C) D. D) F. Show Answer Correct Answer: C) D. 24. Which element is supplied to the negative electrode of a fuel cell? A) Hydrogen. B) Nitrogen. C) Oxygen. D) None of the above. Show Answer Correct Answer: A) Hydrogen. 25. How does the presence of hydrogen bonds influence the melting point of a substance? A) Hydrogen bonds have no effect on the melting point. B) Hydrogen bonds only influence the boiling point, not the melting point. C) The presence of hydrogen bonds increases the melting point of a substance. D) Hydrogen bonds decrease the melting point of a substance. Show Answer Correct Answer: C) The presence of hydrogen bonds increases the melting point of a substance. ← 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