The two materials are calcium and carbon
Mainly calcium dihydrate.
Chalk is mainly calcium carbonate (CaCO3), which is made of calcium, carbon, and oxygen.
Chalk is mainly calcium carbonate (CaCO3), which is made of calcium, carbon, and oxygen.
Calcuim carbide is a chemical compound. It is mainly used to produce acetylene and calcium cyanamide. It is sometimes used to ripen fruit, though this can lead to cancer.
The two materials are calcium and carbon
The two materials are calcium and carbon
: Limestone is composed mainly of the mineral calcite and has a chemical formula of CaCO3 (calcium, carbon, and oxygen).
Mainly calcium carbonate.
Mainly phosphorus and calcium
Mainly calcium carbonate.
they are made mainly from calcium and from a few other minerals.
Mainly calcium carbonate.
Mainly calcium dihydrate.
I think its Calcium
Mainly Calcium and magnesium carbonate.
Chalk is mainly made of Calcium Carbonate.