CaCO3
say for example, instead of a stick of chalk you have powder. Each bit of powder is a particle of chalk, and if you dip your finger into the powder, you can still write on the blackboard with it.
tact or chalk powder for easy griping
Sublimation
A physical change.
Chalk powder
Chalk is neutral.
Grinding chalk really doesn't change the chalk except to make it into powder. So that makes it a physical change. It is much like ice melting into water.
chalk powder floats.since it's density is less compared to oil"s.
There are no metals in chalk because it is a non metal. It is also a powder
chalk comes from chalk deposits the white cliffs of dover is one then the grind it into powder then they press it into molds of chalk then they sell it
ye
No chalk is not solouble. When chalk is put in water the water becomes a suspension ie the particles of chalk keep floating in water.
CaCO3
It is called chalk.
by the process of SUBLIMATION.....
yes