This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why can compounds that can form hydrogen bonds have higher boiling points than compounds that cannot form hydrogen bonds? A) Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces. B) Compounds that can form hydrogen bonds need to overcome strong hydrogen bonds. C) Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces and strong hydrogen bonds. D) None of the above. Show Answer Correct Answer: C) Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces and strong hydrogen bonds. 2. How is Hydrogen commonly bonded on Earth? A) With Hydrogen. B) With Nitrogen. C) With Carbon. D) With Oxygen. Show Answer Correct Answer: D) With Oxygen. 3. Hydrogen shows resemblance with ..... A) Carbon family. B) Alkalimetals. C) Halogens. D) All the above. E) None of the above. Show Answer Correct Answer: D) All the above. 4. The cause of permanent hardness of water is due to A) MgCO3. B) CaCl2. C) Ca(HCO3)2. D) None of the above. Show Answer Correct Answer: B) CaCl2. 5. Which method of producing hydrogen is used when extremely pure hydrogen is needed? A) Steam reforming. B) Partial Oxidation. C) Coal Gasification. D) Water Electrolysis. Show Answer Correct Answer: D) Water Electrolysis. 6. How many lines are formed when electron undergoes transition from excited state n= 7 to ground state n= 1 in Lyman Series A) 4. B) 5. C) 6. D) 7. Show Answer Correct Answer: C) 6. 7. As HCl(g) is added to water, the pH of the water solution A) Decreases. B) Increases. C) Remains the same. D) None of the above. Show Answer Correct Answer: A) Decreases. 8. A water sample is said to contain permanent hardnessif water contains A) Sulphates and chlorides of calcium and magnesium. B) Carbonates of calcium and magnesium. C) Bicarbonates of calcium and magnesium. D) Sulphates and chlorides of sodium and potassium. Show Answer Correct Answer: A) Sulphates and chlorides of calcium and magnesium. 9. What does the electrolyte do? A) Lets only positive things through. B) Lets only negative things through. C) Lets only carbon through. D) All of the above. Show Answer Correct Answer: A) Lets only positive things through. 10. What is the by product of the hydrogen fuel cell? A) Hydrogen gas. B) Carbon dioxide. C) Acid or base solution (depending on the electrolyte used). D) Water. Show Answer Correct Answer: D) Water. 11. What is the term used to describe the self-assembly of lipids into membranes? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Hydrophobic effect. Show Answer Correct Answer: D) Hydrophobic effect. 12. In a hydrogen fuel cell used to power a car, where does the oxygen come from? A) The air. B) A catalyst. C) The fuel. D) None of the above. Show Answer Correct Answer: A) The air. 13. Hydrogen gas is diatomic A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. What is the name of the sulfur allotrope we refer to as plastic sulfur? A) Rhombic. B) Monoclinic. C) Amorphous. D) Allotropic. Show Answer Correct Answer: C) Amorphous. 15. What was the catalyst made of in our hydrogen fuel cell? A) Electrolyte. B) Gold. C) Silver. D) None of the above. Show Answer Correct Answer: D) None of the above. 16. Dative covalent bond is found in A) Urea. B) Nitrogen. C) Ammonia. D) Ammonium ion. Show Answer Correct Answer: D) Ammonium ion. 17. What industrial applications utilize hydrogen bonding? A) Construction materials. B) Textile manufacturing. C) Automotive industry. D) Pharmaceuticals, food industry, materials science. Show Answer Correct Answer: D) Pharmaceuticals, food industry, materials science. 18. The period Hydrogen is placed in A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 19. Process of using high temperatures to decompose a substance into solids, liquids and gases. A) Incineration. B) Pyrolysis. C) Hydrolysis. D) Combustion. Show Answer Correct Answer: B) Pyrolysis. 20. What percentage of hydrogen made in America is by steam reformer process A) 95 %. B) 25. C) 80. D) 10. Show Answer Correct Answer: A) 95 %. 21. What change in colour is observed CuO + H2 $\rightarrow$ Cu + H2O A) Black to blue. B) White to reddish brown. C) Black to reddish brown. D) No change in colour. Show Answer Correct Answer: C) Black to reddish brown. 22. How does a geothermal power plant convert heat to electricity? A) It burns fossil fuels to generate steam for turbines. B) It uses solar panels to convert sunlight into electricity. C) It relies on wind turbines to harness energy from the atmosphere. D) A geothermal power plant converts heat from the Earth into electricity by using steam to drive turbines connected to generators. Show Answer Correct Answer: D) A geothermal power plant converts heat from the Earth into electricity by using steam to drive turbines connected to generators. 23. What is the energy of a quantum of light with a frequency of 7.39x10$^{14}$Hz.(E=Hv) A) 4.88x10$^{19}$. B) 4.88x10$^{-19}$. C) 2.22x10$^{23}$. D) 2.22x10$^{-23}$. Show Answer Correct Answer: B) 4.88x10$^{-19}$. 24. Which ingredients will open up the cuticle, allowing access to the cortex during hair coloring? A) Acidic ingredients. B) Alkali ingredients. C) Neutral ingredients. D) Protein ingredients. Show Answer Correct Answer: B) Alkali ingredients. 25. Hydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding? A) CBr$_{4}$. B) NO$_{2}$. C) H$_{2}$S. D) NH$_{3}$. Show Answer Correct Answer: D) NH$_{3}$. ← 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