Navigate

Formula of Plaster of Paris is

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.

AFMC1996
admin:

Related Questions

  1. Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together
  2. When KMnO₄ reacts with KBr in alkaline medium gives bromate ion. Then oxidation
  3. A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
  4. Which one of the following oxides is expected to exhibit paramagnetic behaviour?
  5. For the reaction , X₂O₄(l) → 2XO₂(g), ΔG is