Question

how POP is formed what is the way

Answer 1

a soft mixture of sand and cement and sometimes lime with water, for spreading on walls, ceilings, or other structures, to form a smooth hard surface when dried.

Answer 2

A mixture of gypsum and water can be poured; the gypsum hardens as the water evaporates. In art gypsum is mainly used in the partly dehydrated form of plaster of Paris (2CaSO4. ... The process entails making a negative form, of a sculpture, for istance, which is then coated with plaster of Paris




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