Question
Download Solution PDFThe chemical formula of gypsum is ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is CaSO4.2H2O.
Key Points
- The chemical formula of gypsum is CaSO4.2H2O.
- A soft sulphate mineral called gypsum is made up of calcium sulphate dihydrate.
- It is widely mined, used as fertiliser, and the primary component of numerous plaster, sidewalk or blackboard chalk, and plasterboard products.
- Several cultures, including Ancient Egypt, Mesopotamia, Rome, the Byzantine Empire, and the Nottingham alabasters of Medieval England, have employed alabaster, a fine-grained, white or subtly coloured type of gypsum, for sculpture.
- Gypsum can also form selenite crystals, which are transparent.
Additional Information
- Gypsum
- The Greek word "o" (gypsos), which means "plaster," is where the name "gypsum" comes from.
- Gypsum which has been dehydrated and used for various purposes for a long time has acquired the name plaster of Paris thanks to the quarries in the Parisian neighbourhood of Montmartre.
- Plaster of Paris hardens or "sets" in ways that are beneficial for casting and construction after adding water and after a few dozen minutes returns to being ordinary gypsum (dihydrate).
Last updated on Jun 11, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.