Electrical Conductivity of Liquid and Solutions
Lecture Size Breath Alcohol Test
Reaction of Potassium Metal with Bromine
Reduction of Copper Oxide by Hydrogen
Using Large Glass Cylinders to Demonstrate Precipitation Reactions
Coin-Operated Red, White, Blue Fountain: Reaction of Nitric Acid and Copper
Conductivity of Acetic Acid-Water Mixtures
Effect of Ion-Exchange Resin on Conductivity
Oxidation of Chloride Ion by Permanganate
Acid + Base -> Neutral
Description: Using two color indicator, an acidic solution and a basic solution are mixed together to get a third color – indicating a neutral solution. An efficacious way of showing that mixing acids and bases gives neutral solutions.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Acid, Base, Neutral, Indicator
Rating: 
Hazard: Low
- Mild toxicity hazard
- Mild skin corrosion hazard
- Corrosive to metals
- Mild inhalation hazard
Effectiveness: Average
- Good connection from demo to course material
- Secondary observations
- Mild effects are seen by audience
- Moderate reliability
- Results are clearly observable with guidance
Difficulty: Medium
- Use of scientific glassware
- Volume-dependent addition required
- Precise, continuous manipulations required
- Prior training recommended
Safety Precautions:
- Gloves required
- Eye protection required
- Absorbent material on hand
- Sodium bicarbonate on hand
Class: Acid-Base Reactions, Indicators
Division: General
The demonstration Acid + Base -> Neutral may be found under Acids and Bases- Acid + Base -> Neutral.
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