(i) Importance of Limestone (CaCO3)
⇒ Specially precipitated, CaCO3 is extensively used in the manufacture of high quality paper.
⇒ It is also used in as an antacid, mild abrasive in toothpaste.
⇒ It is a constituent of chewing gum as a filler in cosmetics.
(ii) Importance of cement
⇒ Cement is an important building material.
⇒ It is used in concrete and in plastering.
⇒ It is used in the construction of bridges, dams and buildings.
(iii) Importance of Plaster of Paris
⇒ Plaster of Paris is extensively used in the building industry as well as plasters.
⇒ It is used in dentistry, in ornamental work and for taking the casts of statues and busts.
⇒ It is also used for immobilising (prevent from moving) the affected part of organ where there is bone fraction or sprain.
Rate this question :
Describe the impoNCERT - Chemistry Part-II