Describethe importance of the following: (i) limestone (ii) cement (iii)plaster of paris.

Open in App

Solution

(i) Chemically,limestone is CaCO₃.
Importance oflimestone
(a) It is used in thepreparation of lime and cement.
(b) It is used as aflux during the smelting of iron ores.
(ii) Chemically,cement is a mixture of calcium silicate and calcium aluminate.
Importance of cement
(a) It is used inplastering and in construction of bridges.
(b) It is used inconcrete.
(iii) Chemically,plaster of Paris is 2CaSO₄.H₂O.
Importance ofplaster of Paris
(a) It is used insurgical bandages.
(b) It is also used formaking casts and moulds.

Suggest Corrections

Similar questions

	Column I		Column II
(A)	Quick lime	(i)	Setting fractured bones
(B)	Plaster of Paris	(ii)	A constituent of chewing gum
(C)	Slaked lime	(iii)	Manufacture of bleaching powder
(D)	Limestone	(iv)	Manufacture of dyestuffs

What is the role of limestone in the production of cement?

Join BYJU'S Learning Program