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Formula of Plaster of Paris is
Options
(a) CaSO₂.(1/2)H₂O
(b) CaSO₄.H₂O
(c) CaSO₄.(1/3)H₂O
(d) CaSO₄.2H₂O
Correct Answer:
CaSO₂.(1/2)H₂O
Explanation:
Plaster of Paris is CaSO₄. 1/2 H₂O. It is formed by heating the gypsum. CaSO₄. 2H₂O → CaSO₄ . 1/2 H₂O.
Related Questions: - For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is
- A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
- NaOCl is used as a bleaching agent and sterilising agent. It can be synthesized
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is
- A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
- NaOCl is used as a bleaching agent and sterilising agent. It can be synthesized
- An organic compound A(C₄H₉Cl) on reaction with Na/diethylether gives a hydrocarbon
- An example for a double salt is
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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