level: CALCIUM CARBONATE EXPERIMENT 4
Questions and Answers List
level questions: CALCIUM CARBONATE EXPERIMENT 4
| Question | Answer |
|---|---|
| Uses of Calcium Carbonate (industrial) | Chalk |
| Other terms for Calcium Carbonate (CaCO₃) | 1 Chalk 2 calcite (google) |
| Calcium Carbonate Physical Appearance | White color Odorless powder / Colorless crystals Bitter taste Powder |
| Calcium Carbonate reaction with Acetic Acid | 2CH3COOH + CaCO3 → H2CO3 + Ca(CH3COO)2 (first reaction) Produces Calcium acetate H2CO3 → H2O + CO2 (second reaction) Breaking down of Carbonic Acid to form Water and Carbon Dioxide |
| Calcium Carbonate reaction with Ammonium Oxalate | CaCO3 + (NH4)2C2O4 → (NH4)2CO3 + CaC2O4 Produces white precipitate - Oxalate Calcium Oxalate (CaC2O4) - Precipitate |
| Flame Test | Brick Red - color produced by Calcium Intense Yellow - Sodium Carmine Red - Lithium Crimson Red - Strontium |
| Uses of Calcium Carbonate (pharmaceutical) | 1 Antacid 2 Dietary Calcium Supplement 3 Phosphate binder 4 Base material for tablets |
| Uses of Calcium Carbonate (industrial) | Chalk |
| Different forms of Calcium Carbonate | 1 Calcite 2 Aragonite 3 Vaterite |