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Posted by: Mr. Babatunde« on: February 29, 2020, 10:51:09 AM » [Chemistry 5] Hydrogen And Its Compound (Hydride,Halogen) Solutions 1. An isotopy of hydrogen commonly referred to as heavy water is A. protium B. deuterium ✔ C. tritium D. basic water 2. Hydrogen is manufactured via the following methods except A. action of steam on iron ✔ B. action of steam on red-hot coke C. action of steam on methane under nickel catalyst D. elctrolytic method 3. All, except one metal, can displace hydrogen from water or acids A. Zinc B. Silver ✔ C. Potassium D. Heated magnesium 4. Oxidation state of hydrogen in the hydride of nitrogen is A. +1 B. +3 C. -3 ✔ D. -1 5. From the reaction Fe2O3(s) + 3H2(g) ✔- 2Fe(s) + 3H2O(g) Hydrogen is behaving as an A. Oxidizing agent B. Reducing agent ✔ C. Steam donor D. Hydride 6. Which of the following metals will not give hydrogen with dilute hydrochloric acid ? A. Cu ✔ B. Zn C. Fe D. Ca 7. Sodium hydride react with water to A. Form acidic solution B. Liberate hydrogen gas ✔ C. Form a salt D. Liberate oxygen 8. With a lighted wooden splinter, hydrogen gives what sound A. pop ✔ B. jazz C. vivid D. bass 9. Who discovered hydrogen ? A. Carvendish ✔ B. Thomas C. Lavoisier D. killings 10. Hydrogen has a low melting point of A. +273 degree celcius B. -253 degree celcius ✔ C. -273 degree celcius D. +253 degree celcius
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