A student pulls up to a stop sign behind a truck with a couch in the truck bed. She notices that the strap holding the back of the couch to the truck has broken. When the truck pulls away from the stop sign onto the busy highway, what will most likely happen to the couch?

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