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Question
State four different properties of a compound and a mixture.
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Solution
| Property | Compound | Mixture |
| Composition | Fixed proportion of elements combined chemically. | Variable proportion of substances physically combined. |
| Properties | Properties are different from the constituent elements. | Properties are a combination of those of the components. |
| Separation | Cannot be separated by physical methods, only by chemical methods. | Can be separated by physical methods. |
| Energy Change | Formation involves a chemical reaction with energy changes. | Formation does not involve a chemical reaction or energy change. |
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