Hydrogen: Quiz


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More interesting facts on Hydrogen

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Question 1: Because of the discretization of ________ postulated in early quantum mechanics by Bohr, the electron in the Bohr model can only occupy certain allowed distances from the proton, and therefore only certain allowed energies.
Rigid bodyEnergyForceAngular momentum

Question 2: These enzymes catalyze the reversible ________ reaction between H2 and its component two protons and two electrons.

Question 3: ________ is a hydrogen source of increasing importance.

Question 4: Hydrogen forms a vast array of compounds with ________.

Question 5: The key consumers of H2 in the petrochemical plant include hydrodealkylation, ________, and hydrocracking.
Natural gasHydrogenHydrodesulfurizationCatalytic reforming

Question 6: [3] ________ in the main sequence are mainly composed of hydrogen in its plasma state.
Binary starStarStellar classificationSupernova

Question 7: ________ of H2 are associated with star formation.
Stellar classificationMolecular cloudStellar kinematicsSupernova

Question 8: Hydrogen plays a vital role in powering stars through proton-proton reaction and ________ nuclear fusion.
S-processAlpha processStellar nucleosynthesisCNO cycle

Question 9: Hydrogen H2 | Nitrogen N2 | Oxygen O2 | Fluorine F2 | Chlorine Cl2 | Bromine Br2 | Iodine I2 | ________ At2 |

Question 10: Moreover, hydrogen fire, while being extremely hot, is almost invisible, and thus can lead to accidental ________.
BurnForeign bodyHypothermiaFrostbite

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