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Questions and Answers
What is the chemical formula of gypsum?
What is the chemical formula of gypsum?
- CaSO4·H2O
- CaSO3·2H2O
- CaSo4·2H2O (correct)
- CaSO4
Which type of gypsum is known as dental stone?
Which type of gypsum is known as dental stone?
- Type II
- Type V
- Type IV
- Type III (correct)
Which variety of gypsum has bigger, irregular, spongy or porous particles?
Which variety of gypsum has bigger, irregular, spongy or porous particles?
- Type III gypsum
- Type II gypsum
- β-hemihydrate (correct)
- α-hemihydrate
At what temperature does β-hemihydrate gypsum undergo calcination?
At what temperature does β-hemihydrate gypsum undergo calcination?
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How is Type II gypsum obtained?
How is Type II gypsum obtained?
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What is the chemical composition of gypsum in its dihydrate form?
What is the chemical composition of gypsum in its dihydrate form?
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What is Type I gypsum commonly known as?
What is Type I gypsum commonly known as?
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At what temperature range does gypsum become an anhydrate that is soluble?
At what temperature range does gypsum become an anhydrate that is soluble?
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Which type of gypsum is known for being more dense and less porous?
Which type of gypsum is known for being more dense and less porous?
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What type of gypsum is Type IV also known as?
What type of gypsum is Type IV also known as?
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