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level: CALCIUM CARBONATE EXPERIMENT 4

Questions and Answers List

level questions: CALCIUM CARBONATE EXPERIMENT 4

QuestionAnswer
Uses of Calcium Carbonate (industrial)Chalk
Other terms for Calcium Carbonate (CaCO₃)1 Chalk 2 calcite (google)
Calcium Carbonate Physical AppearanceWhite color Odorless powder / Colorless crystals Bitter taste Powder
Calcium Carbonate reaction with Acetic Acid2CH3COOH + 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 OxalateCaCO3 + (NH4)2C2O4 → (NH4)2CO3 + CaC2O4 Produces white precipitate - Oxalate Calcium Oxalate (CaC2O4) - Precipitate
Flame TestBrick 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 Carbonate1 Calcite 2 Aragonite 3 Vaterite