on overexposure, it triggers out respiratory problems.
Maybe :3
Chalk dust (calcium carbonate) is not magnetisable.
i think it would be a suspension
crushed limestone then it is pressurized so that it for like a solid rock but is not as rigid as a rock because you can write with it on a blackboard.
Chalk is comprised of calcium sulfate. Specifically, it comes in the form CaSO4.2H2O, which is the dihydrate often known as gypsum.
Chalk is a form of calcium carbonate, so chalk dust is also a form of calcium carbonate.
Maybe :3
The chalk will be ground into chalk dust by the pebbles.
dust from a chalk. Chalk is made from calcium carbonate, CaCO3.
mechanical chalk dust dispenser's hypothesis is that it aims to hasten the removal of chalk dust on the chalkboard eraser
balls
milk provider,chalk dust,saw dust
Chalk dust (calcium carbonate) is not magnetisable.
ambot lng
you can filter it
i think it would be a suspension
When chalk (the mineral) dissolves in water, it's called "limewater".