4. Why should melting point apparatus be unplugged when not inuseUs pt. 5. When

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4. Why should melting point apparatus be unplugged when not inuseUs pt. 5. When taking a melting point, why should the temperature rate of increase not be too rapid? (0 6. In trying to assess the level of danger presented by some of the chemicals used in the organic laboratory, in many or most cases the SDS data shect seemingly suggest a high level of caution. as seen in the case of sodium benzoate, whatever the precautions were, the initial publication on this substance as food preservatives was conducted by the now shocking use of lab assistants as pigs with no apparent deleterious effects. In 1886, acetanilide (Antifebrin) was utilized for treat intestinal worms having also antipyretic and analgesic properties. Although the use of this drug eventually suspended due to side effects such as anemia/toxicity, it was not particularly harmf Obtain an online Safety Data Sheet (SDS) for the reagent acetanilide and provide the informat ted below. From section 3: Hazards Identification, state the three instances in which thi is deemed hazardous. (0.5 pt.) SDS Link: Hazardous in case of the following: a) b)

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4. Why should melting point apparatus be unplugged when not inuseUs pt. 5. When

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