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Acetone, benzene, CCl4, chloroform, ethanol, ethy ether, hexane, methanol, toluene

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1. Acetone, benzene, CCl4, chloroform, ethanol, ethy ether, hexane, methanol, toluene

1. Some crystals were put into a melting point tube until there was about 0.5 cm of the crystals at the end of the tube. 2. Using a rubber band the tube was attached to a thermometer as shown below. 3. A boiling tube was half filled with liquid paraffin and the tube and thermometer were placed in the boiling tube. 4. This was placed over a Bunsen burner and heated. The liquid paraffin was stirred thoroughly throughout. 5. The temperature at which the crystals started to melt was noted and recorded. 6. The paraffin was allowed to cool about 10 C and a fresh melting point tube with crystals was put in the boiling tube. 7. The paraffin was heated again, more slowly this time and the temperature at which the crystals melted was again noted. Melting is indicated by the formation of a visible meniscus.
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Acetone, benzene, CCl4, chloroform, ethanol, ethy ether, hexane, methanol, toluene

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All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

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Privacy | Terms |

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