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Gypsum is...

Gypsum is

A

hydrated magnesium sulphate

B

anhydrous magnisium sulphate

C

hydrated calcium Sulphate

D

anhydrous calcium sulphate

Text Solution

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### Step-by-Step Solution 1. **Identify Gypsum**: Gypsum is a mineral that is commonly used in construction and agriculture. It is primarily known for its use in making plaster and drywall. 2. **Chemical Composition**: The chemical formula for gypsum is CaSO₄·2H₂O. This indicates that it is composed of calcium sulfate (CaSO₄) combined with two molecules of water (H₂O), making it a hydrated compound. 3. **Classification**: Gypsum is classified as a hydrated calcium sulfate. This means it contains water in its crystal structure, which is essential for its properties and uses. ...
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Knowledge Check

  • Cement is made by heating the mixture of limestone, sand and clay at a temperature of 1450–1600^@C in a rotary kiln. The gypsum is also added between 2-5%. The purpose of addition of gypsum into the cement is

    A
    to slow down the setting process.
    B
    to fasten the setting process.
    C
    to increase its strength.
    D
    Both (A) and (C).

  • Cement is made by heating the mixture of limestone, sand and clay at a temperature of 1450–1600^@C in a rotary kiln. The gypsum is also added between 2-5%. The purpose of addition of gypsum into the cement is

    A
    to slow down the setting process.
    B
    to fasten the setting process.
    C
    to increase its strength.
    D
    Both (A) and (C).

  • Cement is made by heating the mixture of limestone, sand and clay at a temperature of 1450–1600^@C in a rotary kiln. The gypsum is also added between 2-5%. The purpose of addition of gypsum into the cement is

    A
    to slow down the setting process.
    B
    to fasten the setting process.
    C
    to increase its strength.
    D
    Both (A) and (C).

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    What is the formulae of (i) Plaster of Paris (ii) Gypsum ?

    Cement is made by heating the mixture of limestone, sand and clay at a temperature of 1450–1600^@C in a rotary kiln. The gypsum is also added between 2-5%. Which of the following is/are the properties of high alumina cement?

    Cement is made by heating the mixture of limestone, sand and clay at a temperature of 1450–1600^@C in a rotary kiln. The gypsum is also added between 2-5%. Which of the following is/are the properties of high alumina cement?

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    Which of the following is the largest producer of Gypsum ?

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