Melting and Boiling Points for SQA National 5 Chemistry
This page covers the following topics:
1. Melting points
2. Boiling points
The melting point of a substance is the temperature at which it changes state from solid to liquid
The boiling point of a substance is the temperature at which a liquid boils and turns to vapour.
Melting points are useful when identifying between members of a homologous series. What is a homologous series?
A family of hydrocarbons with similar chemical properties who share the same general formula.
Which of the products shown are gases at 1000 degrees C?
Cadmium, ice/water, iodine
If we decrease the pressure, what effect does this have on the boiling point of a substance?
A solid material is heated in a furnace and it is found that it melts at 1055 ºC. Use the table to state what the material is.
What is the name for rocks underground getting so hot that they become a liquid? Hint: this liquid is found at volcanoes.
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