This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 37 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What can hydrogen be used to power in cars? A) Internal combustion engines. B) Electric motors. C) Hybrid engines. D) Steam engines. Show Answer Correct Answer: B) Electric motors. 2. What is the term used to describe a molecule that contains both water-loving and oil-loving parts? A) Amphiphile. B) Hydrophile. C) Hydrophobe. D) Lipid. Show Answer Correct Answer: A) Amphiphile. 3. What are Bio-indicators? A) Living things. B) The variety of living things that tells the health of the water. C) A heart condition. D) Something that helps algae grow. Show Answer Correct Answer: B) The variety of living things that tells the health of the water. 4. Our body is made up of hydrogen. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. What gives rise to the cohesiveness of water molecules? A) Hydrophobic interactions. B) Nonpolar covalent bonds. C) Ionic bonds. D) Hydrogen bonds. E) Both A and C. Show Answer Correct Answer: D) Hydrogen bonds. 6. Solid oxidising agent is A) Lead. B) Chlorine. C) Sulphur dioxide. D) Manganese dioxide. Show Answer Correct Answer: D) Manganese dioxide. 7. In context with the industrial preparation of hydrogen from water gas (CO+H$_{2}$), which of the followingis the correct statement? A) CO is removed by absorption in aqueous Cu$_{2}$Cl$_{2}$ solution. B) H$_{2}$ is removed through occlusion with Pd. C) CO is oxidized to CO$_{2 }$with steam in the presence of a catalyst followed by absorption of CO$_{2 }$in alkali. D) CO and H$_{2}$ are fractionally separated using differences in their densities. Show Answer Correct Answer: C) CO is oxidized to CO$_{2 }$with steam in the presence of a catalyst followed by absorption of CO$_{2 }$in alkali. 8. What is the test for the presence of hydrogen gas? A) It turns blue litmus red. B) It burns with a pop sound. C) It turns lime water milky. D) It forms a precipitate with silver nitrate. Show Answer Correct Answer: B) It burns with a pop sound. 9. What is the formula for calculating Kw? A) Kw = [H+][OH-] + [H2O]. B) Kw = [H+][OH-]. C) Kw = [H+][OH-] + [H2O2]. D) Kw = [H+][OH-]-[H2O]. Show Answer Correct Answer: B) Kw = [H+][OH-]. 10. Which one of the following is not an isotope of hydrogen? A) Ortho hydrogen. B) Deuterium. C) Tritium. D) None of these. Show Answer Correct Answer: A) Ortho hydrogen. 11. Slow to heat, slow to cool A) Freezing/melting point. B) Specific heat capacity. C) State of matter. D) Solubility. Show Answer Correct Answer: B) Specific heat capacity. 12. Which of the following are suitable conditions for preparation of hydrogen chloride gas? A) Heating NaCl and sulphuric acid at 200 degree celsius. B) Heating NaCl and conc.sulphuric acid at any temperature. C) Heating NaCl and conc.sulphuric acid at temperature above 200 degree celsius. D) Heating NaCl and conc. sulphuric acid at temperature below 200 degree celsius. Show Answer Correct Answer: D) Heating NaCl and conc. sulphuric acid at temperature below 200 degree celsius. 13. Which of the following best explains why ice floats on water? A) Ice is denser than water due to hydrogen bonding. B) Hydrogen bonds in ice create a lattice structure that is less dense than liquid water. C) Ice has no hydrogen bonds, making it lighter than water. D) Hydrogen bonding causes ice to sink in water. Show Answer Correct Answer: B) Hydrogen bonds in ice create a lattice structure that is less dense than liquid water. 14. Which metal is preferred for the preparation of hydrogen from acids? A) Copper. B) Zinc. C) Gold. D) Silver. Show Answer Correct Answer: B) Zinc. 15. What is meant by dative bond? A) A type of covalent bond where the electron pair that is transferred comes from one atom only. B) A type of ionic bond where the electron pair that is shared comes from one atom only. C) A type of covalent bond where the electron pair that is shared comes from one atom only. D) A type of covalent bond where the proton pair that is shared comes from one atom only. Show Answer Correct Answer: C) A type of covalent bond where the electron pair that is shared comes from one atom only. 16. Why does KI have a higher melting point than HI? A) Because of Hydrogen Bonding in HI. B) Because of the dipole-dipole interactions in HI. C) London Dispersion. D) Ionization. Show Answer Correct Answer: B) Because of the dipole-dipole interactions in HI. 17. Why is hydrogen peroxide always sold in opaque plastic bottles? A) To keep it cool. B) To prevent light from speeding up its decomposition. C) To make it look attractive. D) To prevent it from freezing. Show Answer Correct Answer: B) To prevent light from speeding up its decomposition. 18. Which change in pH represents a hundredfold increase in the concentration of hydronium ions in a solution? A) PH1 to pH 2. B) PH 1 to pH 3. C) PH 2 to pH 1. D) PH 3 to pH 1. Show Answer Correct Answer: D) PH 3 to pH 1. 19. Wavelength of the first line of the Balmer series is longer than the wavelength of the first line of the Lyman series. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. The magnetic property of ammmonia solution of alkali & alkaline earth metal is due to ..... A) Paired electrons. B) Unpaired electrons. C) Bonded electrons. D) All the above. Show Answer Correct Answer: B) Unpaired electrons. 21. Which of these compounds will have the highest boiling point? A) Br$_{2}$. B) C$_{4}$H$_{10}$. C) C$_{3}$H$_{7}$OH. D) Cl$_{2}$. Show Answer Correct Answer: C) C$_{3}$H$_{7}$OH. 22. Hydrogen is colorless and A) Combustible. B) Non combustible. C) Supports combustion. D) None of the above. Show Answer Correct Answer: A) Combustible. 23. Does H$_{2}$O have hydrogen bonding? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 24. Hydrogen bonding occurs in molecules when ..... A) A hydrogen atom forms a covalent bond with another atom. B) A hydrogen atom in a molecule forms a bond with any atom. C) A hydrogen atoms form an ionic bond with another atom on an adjacent molecule. D) A hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule. Show Answer Correct Answer: D) A hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule. 25. Water is an excellent solvent. Select the property that justifies this statement. A) As a polar molecule, it can surround and dissolve ionic and polar molecules. B) It forms ionic bonds with ions, hydrogen bonds with polar molecules, and hydrophobic interactions with non polar molecules. C) It forms hydrogen bonds with itself so cohesion is possible. D) It is liquid and will adhere to many substances. Show Answer Correct Answer: A) As a polar molecule, it can surround and dissolve ionic and polar molecules. ← 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