Question

boiling point of a substance is an indicator of
1. Forces of attraction between the molecules
2. Purity of substance.
3. The temperature at which the vapour pressure of a chemical equals atmospheric pressure
4. All are true

Answer 1

Answer:

4

all are true

first attraction between molecules second it is a purity of a substance III the temperature at which water vapours of chemical equals to the atmospheric atmospheric

Answer 2

Answer:

3

Explanation:

The temperature at which the vapour pressure of a chemical equals atmospheric pressure.