pure magnesium carbonate
CaCO3
If you mean blackboard chalk, it is generally made of the mineral gypsum, which is calcium sulfate.
Tailor's chalk is a type of chalk that is designed to make temporary markings on cloth. Using this chalk, a tailor can mark where fabric needs to be cut or garments altered. Once the markings are no longer useful, they can be easily brushed off or washed out, leaving no residue behind.
chalk
Chalk (limestone) was traditionally used to make the marking devices used on chalkboards, but not the boards themselves. These were made from slate, a metamorphic rock.
chalk is to stop yourself from slipping or loosing grip
Chalk is a form of calcium carbonate - CaCO3.
The chemical formula of chalk or limestone is calcium carbonate (CaCO3).
You usually buy it from your gymnastics club. You get magnesium and carbon and combine it together and compress it in to a block and then wrap it up in some plastic.
CaCO3
mats, springboards, chalk, runway, tumble track, pit, foam blocks. etc.
u remove your pants and expose your dick and colour it chalk. it acts like chalk
chalk is for bars, and it helps you not slip and rip your hands. you can also use chalk on the balace beam, but it could ruin the beam. rosin is for the beam and not slipping, it can get really sticky and have you not slip (: haha hops this helps :D
Chalk is CaCO3. The chemical name for chalk is calcium carbonate. It is a porous sedimentary rock, and is also a type of limestone. The White Cliffs of Dover are actually made from chalk.
If you mean blackboard chalk, it is generally made of the mineral gypsum, which is calcium sulfate.
Gymnasts use chalk on their hands to help them grip the Uneven Bars.
No, it is a physical, not chemical change.