What is gypsum and POP❓

1.	What is gypsum and POP❓
Answer» Gypsum is Caso4.2H2O. But when it is heated it and 1and half water molecules are evaporated and forms pop. Which is Caso4.1 1/2 h2O Plaster of Paris is made up from gypsum. This has been used from the ancient times. Plaster of Paris got its name because earlier it was used near Paris, to make plaster and cement. They also used it to do ornamental work on ceilings and cornices. Plaster of Paris contains the calcium sulfate hemihydrates (CaSO4·0.5H2O) Gypsum is a hydrated calcium sulfate mineral with the molecular formula CaSO4·2H2O. This is the most common sulfate mineral. It is a rock forming mineral, which can grow up to very large sizes. Usually, the color of the crystal is white or colorless, but can have other shades of colors as grey, red or yellow too. Crystals, also can be transparent or translucent. Gypsum is a soft crystal, which can even be scratched by a fingernail. Further, it is flexible, and its thermal conductivity is low. Gypsum is slightly soluble in water, and when it is heated, water will evaporate and can achieve the anhydride solid state again

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