It undergoes a physical change because the matter that makes up the sidewalk does not change. THe side walk goes through a chemical and physical change because the heat makes it constrict by shacking the particles just like it happens with food
The sidewalk being warmed by the heat of the sun is a physical change not a chemical change.
It is a Physical change
It is a physical change.
physical change
Salt is a material not a change.
It undergoes a physical change because the matter that makes up the sidewalk does not change. THe side walk goes through a chemical and physical change because the heat makes it constrict by shacking the particles just like it happens with food
The sidewalk being warmed by the heat of the sun is a physical change not a chemical change.
physical change because by adding salt you are lowering its melting point thus can melt the ice at low temperature.
broad
Yes, the noun 'sidewalk' is a concrete noun, a word for a physical thing.
Yes. The melting point of salt solutions is lower than that of pure water.
yes
It is a Physical change
Crumple is a physical change.
It is a physical change.
sweeping use of executive power or lack of physical and mental stamina