1. 

A cooling mixture of ice and can be used to lower the temperature below 0 °C.

2. 

To produce a cooling curve, the substance is melted completely and then heating is .

3. 

The melting point of paraffin wax is around °C.

4. 
Heat energy is given out when a liquid freezes or a gas condenses.

5. 
Which piece of equipment holds a beaker over a Bunsen burner?

6. 

An oil bath is used to measure melting points above °C, while a water bath is used below that temperature.

7. 
If heating continues after a solid has melted, the temperature keeps rising smoothly all the way to the boiling point without pausing.

8. 

Stearic acid (octadecanoic acid) has a melting point of °C.

9. 
Salol (phenyl salicylate) has a lower melting point than paraffin wax.

10. 
To measure its melting point, where is a powdered solid put?

11. 
What does the level (horizontal) part of a cooling curve show?

12. 

While a solid is melting, its temperature stays .

13. 

A liquid turns into a gas at its point.

14. 
Which of these substances has the highest melting point?