Identify the examples of diffusion in the list below. check all that apply. a teacher takes the cap off a permanent marker. a few minutes later, students at the back of the classroom complain about the odor of the marker. a cooking school student burns a piece of toast. soon, the entire kitchen smells like burnt toast. an inflated balloon shrinks when it is placed in a cold freezer. toxic fumes produced by a chemical factory are detected in the air in a town several miles away. heating a flexible container filled with gas causes it to expand.

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

what's the