CH-1373
Purity and melting point
Chemistry · Secondary 4 · Medium · Purity and melting point
A sample of pure naphthalene is heated until it melts completely and then allowed to cool. Its temperature is recorded every minute.
Between 5 and 9 minutes, the temperature stays constant at 80 °C.
What process is taking place between 5 and 9 minutes?
Between 5 and 9 minutes, the temperature stays constant at 80 °C.
What process is taking place between 5 and 9 minutes?
- Freezing
- Boiling
- Melting
- Condensing
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