Question
Download Solution PDFWhat is the formula for Plaster of Paris?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Option 3, i.e CaSO4.1/2 H2O
- The chemical name of the Plaster of Paris is calcium sulphate hemihydrate.
- The chemical formula of the Plaster of Paris is CaSO4.1/2 H2O.
- Plaster of Paris is a quick-setting gypsum plaster which is composed of a fine white powder (calcium sulfate hemihydrate), that hardens when moistened and allowed to dry.
- CH3COOH is Acetic Acid.
- (NH4)2SO4 is Ammonium Sulfate.
Last updated on Jun 7, 2025
-> RPF SI Physical Test Admit Card 2025 has been released on the official website. The PMT and PST is scheduled from 22nd June 2025 to 2nd July 2025.
-> This Dates are for the previous cycle of RPF SI Recruitment.
-> Indian Ministry of Railways will release the RPF Recruitment 2025 notification for the post of Sub-Inspector (SI).
-> The vacancies and application dates will be announced for the RPF Recruitment 2025 on the official website. Also, RRB ALP 2025 Notification was released.
-> The selection process includes CBT, PET & PMT, and Document Verification. Candidates need to pass all the stages to get selected in the RPF SI Recruitment 2025.
-> Prepare for the exam with RPF SI Previous Year Papers and boost your score in the examination.