CH-491
Purity and melting point
Chemistry · Secondary 3 · Medium · Purity and melting point
In an experiment, a student records the following temperatures when heating a pure substance:
Time / min: 0 1 2 3 4
Temperature / °C: 40 55 70 70 70
What is the melting point of the substance?
Time / min: 0 1 2 3 4
Temperature / °C: 40 55 70 70 70
What is the melting point of the substance?
- 70 °C
- 40 °C
- 55 °C
- 110 °C
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