| ID (hidden) | 0050ed4e15ca426488821584b80ad4ab-ao-5 |
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| Front | Explain how fractional distillation works.(3 marks) |
| Back | When the mixture is heated:- the mixture boils and vapour rises up.- vapour condenses depending on its boiling point. |
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| Text | In a hydrogen–oxygen fuel cell, hydrogen and oxygen are used to {{c1::produce a voltage}} and water is the only product. |
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