Electrolysis Experiments
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| Người bán | Product price | Delivery | Tổng cộng | Tình trạng | Updated | |
|---|---|---|---|---|---|---|
| ME Meta | 49,99 USD | 15,00 USD | 64,99 USD | Có sẵn | 2 tuần trước | View offer |
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1. Put on gloves. 2. Place two test tubes in a 12-groove plate. 3. Add salt water to each of the two test tubes. 4. Add a free drop of phenolphthalein indicator or BTB indicator to each of the salted test tubes. (Do not add two indicators to one test tube.) . 5. Place the salt bridge in both test tubes. 6. Place the carbon rod in two test tubes. 7. Connect the + and - poles of the carbon rod and the battery with a piece of wire. 8. Observe the change. Change the electrodes and observe.
