2. Which of the following correctly describes reduction?reductionA. The loss of electrons and the corresponding increase in the oxidation state of a given reactantB. The loss of electrons and the corresponding decrease in the oxidation state of a given reactantC. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant.D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant3. "Redox" is a word coined from what two chemical terms?A. Reduction and OxygenationC. Reproduction and OxidationC. Reproduction and OxygenationB. Reduction and Oxidation4. What is the other term for the substance that is reduced?A. Oxidizing agentB. Reducing agentC. Ionizing agent5. When the substance lost electrons, it is said to beA. oxidizedB. reducedC. reproduced6. What is the value of the oxidation state of a free and uncombined element?A. +2B. +1C. 07. What is the oxidation state of Cl in the ion CIO3-¹ ?A. +5B. +4C. -18. What is the usual oxidation stateof Oxygen?B. +1A. +2C. 0D.-29. Galvanic cells convert chemical energy into what other form of energy?A. electricalB. mechanicalC. thermalD. radioactive10. In a voltaic cell, what is the element that is used in the cathode?A. BismuthB. CopperC. GoldD. Zinc11. What part of the electrochemical cell does oxidation occur?B. CathodeA. AnodeD. Salt bridgeC. Motor12. What is the oxidation state of N₂?B. +1A. +2D.-2C. 013. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent?C. H₂OB. 0₂D. None of the choicesA. H₂14. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the reducing agent?C. H₂OB. 02D. None of the choicesA. H₂15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide?Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g)C.0 +2B. +3-0D. No changeA. +2 016. A reducing agent reduces other substances and loses electrons; therefore, its oxidation state willC. stay the sameB. increaseA. decreaseD. none of the choices17. A monoatomic ion has an oxidation state equal to its charge. What is the oxidation state of Ca²+?A. +2B. +1C. 0D.-218. In the reaction, Fe2O3 (1) +CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D.419. In the reaction, Fe2O3 (1) + CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D. 420. Which of the following refers to the branch of chemistry that deals with the conversion of electrical energy into chemical energyor chemical energy to electrical energy?A. AnatomyC. ThermodynamicsD. PhysicsB. Electrochemistry21. Reduction potential is measured in what units?A. AmperesB. OhmsC. VoltsD. None of the choices22. When performing galvanic cell, what is the standard conditions for the solutions?A. 1 MB. 2 MC. 3MD. 4 M23. The redox reaction happening in a galvanic cell permits the flow of what kind of particle shown in a voltmeter?D. ProtonsA. ElectrolyteB. ElectronsC. NeutronsD. None of the choicesD. None of the choicesD.-2D. -5

Question

2. Which of the following correctly describes reduction?reductionA. The loss of electrons and the corresponding increase in the oxidation state of a given reactantB. The loss of electrons and the corresponding decrease in the oxidation state of a given reactantC. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant.D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant3. &#34;Redox&#34; is a word coined from what two chemical terms?A. Reduction and OxygenationC. Reproduction and OxidationC. Reproduction and OxygenationB. Reduction and Oxidation4. What is the other term for the substance that is reduced?A. Oxidizing agentB. Reducing agentC. Ionizing agent5. When the substance lost electrons, it is said to beA. oxidizedB. reducedC. reproduced6. What is the value of the oxidation state of a free and uncombined element?A. +2B. +1C. 07. What is the oxidation state of Cl in the ion CIO3-¹ ?A. +5B. +4C. -18. What is the usual oxidation stateof Oxygen?B. +1A. +2C. 0D.-29. Galvanic cells convert chemical energy into what other form of energy?A. electricalB. mechanicalC. thermalD. radioactive10. In a voltaic cell, what is the element that is used in the cathode?A. BismuthB. CopperC. GoldD. Zinc11. What part of the electrochemical cell does oxidation occur?B. CathodeA. AnodeD. Salt bridgeC. Motor12. What is the oxidation state of N₂?B. +1A. +2D.-2C. 013. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent?C. H₂OB. 0₂D. None of the choicesA. H₂14. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the reducing agent?C. H₂OB. 02D. None of the choicesA. H₂15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide?Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g)C.0 +2B. +3-0D. No changeA. +2 016. A reducing agent reduces other substances and loses electrons; therefore, its oxidation state willC. stay the sameB. increaseA. decreaseD. none of the choices17. A monoatomic ion has an oxidation state equal to its charge. What is the oxidation state of Ca²+?A. +2B. +1C. 0D.-218. In the reaction, Fe2O3 (1) +CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D.419. In the reaction, Fe2O3 (1) + CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D. 420. Which of the following refers to the branch of chemistry that deals with the conversion of electrical energy into chemical energyor chemical energy to electrical energy?A. AnatomyC. ThermodynamicsD. PhysicsB. Electrochemistry21. Reduction potential is measured in what units?A. AmperesB. OhmsC. VoltsD. None of the choices22. When performing galvanic cell, what is the standard conditions for the solutions?A. 1 MB. 2 MC. 3MD. 4 M23. The redox reaction happening in a galvanic cell permits the flow of what kind of particle shown in a voltmeter?D. ProtonsA. ElectrolyteB. ElectronsC. NeutronsD. None of the choicesD. None of the choicesD.-2D. -5

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