What's the difference between Plaster and Plaster of Paris?

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Solution

Plaster of Paris Plaster
It is a Calcium sulfate hemihydrate ( ${CaSO}_{4} . 1 / 2 H_{2} O$ ) It is a Calcium sulfate dihydrate ( ${CaSO}_{4} . 2 H_{2} O$ )
When it is moistened it can be molded into different shapes It cannot be molded into different shapes
It is a man-made material It is a naturally occurring mineral

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Similar questions

(a) What is plaster of Paris? Write the chemical formula of plaster of Paris.

(b) How is plaster of Paris prepared? Write the chemical equation of the reaction involved.

(d) State two important uses of plaster of Paris.

What is the difference between Gypsum and Plaster of Paris ?

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Plaster of Paris	Plaster
It is a Calcium sulfate hemihydrate ( ${CaSO}_{4} . 1 / 2 H_{2} O$ )	It is a Calcium sulfate dihydrate ( ${CaSO}_{4} . 2 H_{2} O$ )
When it is moistened it can be molded into different shapes	It cannot be molded into different shapes
It is a man-made material	It is a naturally occurring mineral