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Question

Plaster of Paris is obtained from the calcination of-

The correct answer is

Gypsum

In the case of preparing Plaster of Paris, calcination involves heating gypsum to remove most of its water content. Plaster of Paris is primarily obtained from the calcination of gypsum. Therefore, the calcination of gypsum is the specific process used to obtain Plaster of Paris.

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Important Questions from Miscellaneous Material

  1. The hydraulicity of the hydraulic lime is mainly due to ________.

  2. The selection of building materials during construction should be done based on which of the following factors?

    i. Material cost

    ii. Service life

    iii. Maintenance cost

    iv. Sustainability

  3. The process of stones which includes excavating, wedging, heating and blasting is called:

  4. A good building stone should have which of the following qualities?

    i. Uniform texture

    ii. Strength

    iii. Fire resistance

    iv. Hardness

  5. Polyethylene and polyvinyl chloride resins are used in various parts of building areas for:

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