This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 55 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Water gas is A) CO+H$_{2}$. B) CO+H. C) CO$_{2}$+H$_{2}$. D) C+H$_{2}$. Show Answer Correct Answer: A) CO+H$_{2}$. 2. Choose the correct option:-The flame of hydrogen is of this color. A) Blazing Red. B) Fluorescent Green. C) Dazzling White. D) Pale Blue. Show Answer Correct Answer: D) Pale Blue. 3. During electrolysis anion migrate towards A) Cathode. B) Anode. C) None. D) None of the above. Show Answer Correct Answer: B) Anode. 4. A piece of filter paper moistened with lead (II) ethanoate solution turns black when the paper is dropped into a gas jar containing an unknown gas. The gas is likely to be A) Sulphur (IV) oxide. B) Hydrogen chloride. C) Sulphur (VI) oxide. D) Hydrogen sulphide. Show Answer Correct Answer: D) Hydrogen sulphide. 5. How many hydrogen bonds are there between cytosine and guanine in DNA? A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: C) Three. 6. In formation of ammonia, molybdenum acts as a A) Catalyst. B) Promoter. C) Both. D) None of the above. Show Answer Correct Answer: B) Promoter. 7. Why do isotopes of Hydrogen have almost the same chemical properties? A) Because they have the same electronic configuration. B) Because they react with Chlorine. C) Because they do not react with Noble Gases. D) Because they are isotopes and isotopes do not react. Show Answer Correct Answer: A) Because they have the same electronic configuration. 8. ..... is a colourless, poisonous, weakly ..... gas, with the smell of rotten eggs. It is produced when hydrogen gas is bubbled through molten sulfur. A) H2SO4, alkaline. B) H2SO4, acidic. C) H2S, acidic. D) H2S, alkaline. Show Answer Correct Answer: C) H2S, acidic. 9. In the preparation of hydrogen in the lab, the gas is collected by: A) Downward delivery. B) Upward delivery. C) Over water. D) Using a gas syringe. Show Answer Correct Answer: C) Over water. 10. What is the maximum voltage that can be supplied by an acidic hydrogen/oxide fuel cell? You will need your electrochemical series. A) 1.23 V. B) 0.5 V. C) 0.4 V. D) 0.83 V. Show Answer Correct Answer: A) 1.23 V. 11. What energy conversion occurs in a combustion engine? A) Chemical energy $\rightarrow$ Electrical Energy. B) Chemical energy $\rightarrow$ Thermal energy $\rightarrow$ Kinetic energy $\rightarrow$ Electrical Energy. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical energy $\rightarrow$ Thermal energy $\rightarrow$ Kinetic energy $\rightarrow$ Electrical Energy. 12. What is the basic principle of a hydrogen fuel cell? A) A hydrogen fuel cell uses solar energy to produce electricity. B) A hydrogen fuel cell generates heat energy from hydrogen and oxygen. C) A hydrogen fuel cell converts chemical energy from hydrogen and oxygen into electrical energy through an electrochemical reaction. D) A hydrogen fuel cell converts mechanical energy into chemical energy. Show Answer Correct Answer: C) A hydrogen fuel cell converts chemical energy from hydrogen and oxygen into electrical energy through an electrochemical reaction. 13. Which kinds of substances are held together by intermolecular forces? A) Metallic substances. B) Ionic substances. C) Molecules (covalent) in solid and liquid phases. D) Molecules (covalent) in the gas phase. Show Answer Correct Answer: C) Molecules (covalent) in solid and liquid phases. 14. Dipole-dipole attractions occur between polar molecules. Which of these molecules is polar? A) H$_{2}$. B) HCl. C) Cl$_{2}$. D) Br$_{2}$. Show Answer Correct Answer: B) HCl. 15. Hydrogen gas is used in margarine A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. In a covalent bond, atoms ..... electrons A) Gain. B) Lose. C) Share. D) None of the above. Show Answer Correct Answer: C) Share. 17. The correct ranking of bonds or forces in order from strongest to weakest is: A) Covalent bond, van der Waals force, hydrogen bond. B) Van der Waals force, hydrogen bond, covalent bond. C) Hydrogen bond, covalent bond, van der Waals force. D) Covalent bond, hydrogen bond, van der Waals force. Show Answer Correct Answer: D) Covalent bond, hydrogen bond, van der Waals force. 18. Fuel Cells were first known as A) Electrochemical Cell. B) Gas Voltaic Battery. C) Fuel Cell Battery. D) None of the above. Show Answer Correct Answer: B) Gas Voltaic Battery. 19. Does NH$_{3}$ have hydrogen bonding? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 20. Presence of carbon dioxide can be proved by bubbling the gas into A) Universal Indicator. B) Litmus solution. C) Limewater. D) Water. Show Answer Correct Answer: C) Limewater. 21. What is the pOH of a solution with and [OH$^{-}$] = 4.5 x 10$^{-4}$? A) 3.53. B) 3.80. C) 3.35. D) 5.33. Show Answer Correct Answer: C) 3.35. 22. During a science experiment, Vanya is asked to determine if Hydrogen is acidic in nature. What do you think ..... what would he conclude from his experiment? A) Hydrogen is acidic in nature. B) Hydrogen in basic in nature. C) Hydrogen in neutral. D) None of the above. Show Answer Correct Answer: C) Hydrogen in neutral. 23. The correct order of the size of the iodine species is: A) I >I +> I-. B) I > I $\rightarrow$ I+. C) I +> I $\rightarrow$ I. D) I $\rightarrow$ I >I +. Show Answer Correct Answer: A) I >I +> I-. 24. X + Y+ $\rightarrow$ X+ + YReducing agent is A) Y+. B) X. C) X+. D) Y. Show Answer Correct Answer: B) X. 25. Dihydrogen can be prepared on commercial scale by different methods. In its preparation by the action of steam on hydrocarbons, a mixture of CO and H gas is formed. It is known as ..... A) CO$_{2}$ + H$_{2}$. B) Syngas. C) Producer gas. D) Industrial gas. Show Answer Correct Answer: B) Syngas. ← 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