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Question
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Solution
Difference between mercury and alcohol as a thermometric substance
| Mercury | Alcohol |
| 1. It is non-volatile | It is volatile |
| 2. It has uniform expansion | It has non-uniform expansion |
| 3. It is opaque making it easier to read the thermometer | It is transparent thus making it difficult to read the thermometer |
| 4. It has a low coefficient of expansion | It has a high coefficient of expansion |
| 5. It has a high boiling point so it can be used to measure high temperatures | It has a low boiling point so it cannot be used to measure high temperatures |
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