Click the QR code for MC Questions. Written questions, use your jotter, date & heading: Exercise AH 1_3A [Oxidation Numbers & Polyatomic Ions]. |
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| 1. | Click the QR codes to practise calculating Oxidation Numbers in compounds and Polyatomic Ions and identifying Oxidation & Reduction. |  |
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| Ref: | 1_3A Q4 | 1_3A Q5 | 1_3A Q6 | 1_3A Q7 |
| 2. | Click the QR code to answer questions on explaining phenomena and observations related to Oxidation Numbers & Polyatomic Ions. |  |
| Ref: | 1_3A Q2 |
| 3. | Click the QR code to answer questions concerning practical chemistry. |  |
| Ref: | 1_3A Q3 |
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