Which of the following phase transitions will occur when energy is continuously removed from a liquid sample A. Freezing
B. Melting
C. Evaporation
D. Ionization

h let me think

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

i think it is true since you can test the answer and can use observations to complete it.

the temperature of the gas, in k, not celsius.