Boiling Point Flashcards
1
Q
Define the term boiling point:
A
The temperature at which all the particles of a liquid changes to a gas during heating.
2
Q
What factors will affect boiling point? (3)
A
- The types of molecules.
- Environmental pressure
- The adding of solutes or other substances will affect boiling point.
- Altitude
3
Q
What are the safety precautions when heating a flammable liquid?
A
- Put the test tube in a beaker of warm water (warm bath)
* Put boiling chips inside the test tube
4
Q
Compare the boiling point of water and ethanol:
A
The boiling point of water is higher than the boiling point of ethanol.
5
Q
Which will evaporate sooner a substance with a high boiling point or with a low boiling point?
A
Low boiling point
6
Q
What is the boiling point of water in Joburg?
A
96-98 Degrees Celsius
7
Q
What is the boiling point of alcohol?
A
74-77 Degrees Celsius
