Question

what do we say to chalk in chemistry

Answer 1

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is an ionic salt called calcium carbonate or CaCO3. The chemical formula for chalk is CaCO3 (calcium carbonate) and its molecular weight is 100.0869 amu.

Answer 2

Hey Mate.......... here is ur answer -
Chalk---Calcium Carbonate.
Hope this helps :-)