Question 7 (1 point)
When zinc is reacted with copper (II) chloride to produce zincchloride and copper, which element (if any) is oxidized? Whichelement (if any) is reduced?
Question 7 options:
123 | Chlorine | 123 | Zinc | 123 | Copper |
| | | 1. | Oxidized | | 2. | Reduced | | 3. | Neither oxidized nor reduced |
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Question 8 (1 point)
When ethane (C2H6) is combusted, whichelement (if any) is oxidized? Which element (if any) isreduced?
Question 8 options:
123 | Hydrogen | 123 | Oxygen | 123 | Carbon |
| | | 1. | Oxidized | | 2. | Reduced | | 3. | Neither oxidized nor reduced |
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Question 9 (1 point)
When calcium chloride reacts with sodium carbonate to producesodium chloride and calcium carbonate, which element (if any) isoxidized? Which element (if any) is reduced?
Question 9 options:
123 | Carbon | 123 | Sodium | 123 | Calcium | 123 | Oxygen | 123 | Chlorine |
| | | 1. | Oxidized | | 2. | Reduced | | 3. | Neither oxidized nor reduc |
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