Absorption of UV Light by Ozone
Dehydration of Sugar by Sulfuric Acid
Extinguishing a Magnesium Fire
Extinguishing Candles With Carbon Dioxide
Preparation and Properties of Liquid Oxygen
Preparation and Properties of Sulfur Dioxide
Reaction of Potassium Metal With Bromine
Water Softening – Hard And Soft Water With Soap
Colorful Stalagmites: The Silicate Garden
Preparation and Properties of Carbon Dioxide
Preparation and Properties of Oxygen
Reaction Between Carbon Dioxide and Limewater
Reaction Between Carbon Dioxide and Limewater
Description: Carbon dioxide gas bubbling through limewater produces a precipitate. Sources of carbon dioxide include exhaled breath, Alkaseltzer® tablets, or dry ice. The precipitate will re-dissolve if the concentration of carbon dioxide is high enough.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page: 329
Keywords: Carbon dioxide, Precipitates, Equilibrium, Limewater, Solubility
Rating: 
Hazard: Some
- Acute oral toxicity hazard
- Inhalation hazard
- Skin corrosion hazard
- Serious eye damage
Effectiveness: Average
- Results are observable with guidance
- Mild effects are seen by audience
- Good reliability
- Time to results is medium
- Primary effects are observed
Difficulty: Medium
- Some concerted or timed manipulations
- Procedures with some intermediate steps to results
Safety Precautions:
- Eye protection required
- Gloves required
- Avoid inhalation or ingestion
- Absorbent materials on hand
- Perform in a well-ventilated area
Class: Aqueous Equilibrium and Precipitation Reactions, Main Group Elements
Division: General
The demonstration Reaction Between Carbon Dioxide and Limewater may be found under Aqueous Equilibrium and Precipitation Reactions- Reaction Between Carbon Dioxide and Limewater.
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