level: PLASTER OF PARIS EXPERIMENT
Questions and Answers List
level questions: PLASTER OF PARIS EXPERIMENT
| Question | Answer |
|---|---|
| What is the difference of Calcium sulfate and Plaster of Paris? | Calcium sulfate is an inorganic compounds having calcium anion and sulfate anion Plaster of Paris is a material containing calcium sulfate hemihydrate |
| Chemical Formula for Plaster of Paris | CaSO4 · 2H2O ⇢ CaSO4 · 0.5 H2O + 1.5 H2O Calcium Sulfate and water (CaSO4 · 2H2O) |
| Synonyms of Calcium sulfate used in the Preparation of Plaster of Paris | 1 Gypsum 2 Calcium sulfate hemihydrate |
| What is the difference of Calcium sulfate and Plaster of Paris? | Calcium sulfate is an inorganic compounds having calcium anion and sulfate anion Plaster of Paris is a material containing calcium sulfate hemihydrate |
| Physical Test | Color: White Odor: Odorless Physical State: Solid Appearance: Finely divided powder |
| Reaction of Barium chloride and Calcium sulfate | BaCl2 (aq) + CaSO4 (s) → BaSO4 (s) + CaCl2 (aq) Precipitate: Barium sulfate (BaSO4) Color of precipitate: White precipitate |
| Barium sulfate is insoluble in | Ammonium acetate |
| Calcium chloride is soluble in | Ammonium acetate |
| Flame Test | Brick Red (Calcium) |
| Pharmaceutical use of Plaster of Paris | 1 Radiotherapy 2 Moulds to teeth 3 Casts to fractured bones 4 Ceramics |