Plaster of paris hardens by - … | Homework Help

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Plaster of paris hardens by - a)giving of carbondioxide b)changing into calcium carbonate c)combining with water d)giving out water

Posted by Parthiv K.Jyothish 5 years, 10 months ago

CBSE > Class 10 > Science

5 answers

Vikas Saini 5 years, 10 months ago

Plaster of Paris hardens by combining with water. Explanation: Plaster of Paris is a salt of calcium metal which is also called as calcium sulfate hemihydrate. The chemical formula of plaster of Paris is CaSO4.1/2H2O It is formed by the intense heating of gypsum that is also a salt of calcium. When we add water to plaster of Paris it becomes soften and forms a paste. This paste becomes harden after some time because of formation of string hydrogen bonding between molecules of plaster of Paris and water. I hope this ans help you ?

2Thank You

Saksham Khanna 5 years, 10 months ago

C) combining with water

1Thank You

Devesh Chaudhary 5 years, 10 months ago

Combining with water

1Thank You

Shubham Yadav 5 years, 10 months ago

Giving out water

1Thank You

Aadya Singh ? 5 years, 10 months ago

C) Combining with water...

4Thank You

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science