Food is Acidic; Cleaners are Basic
Description: pH of household chemicals is measured with either indicators or a pH meter.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 65
Keywords: Foods, Cleaners, Shampoos, Acids, Bases
Ratings: 
Hazard: Medium
- Acute toxicity hazard
- Electric shock hazard
- Skin corrosion hazard
- Aquatic toxicity
- Corrosive to metals
- Inhalation hazard
- Serious eye damage
Effectiveness: Average
- Results are observable with guidance
- Somewhat connected conceptually to course material
- Mild effects are seen by audience
- Time to results is high
- Secondary observations
- Good reliability
Difficulty: Medium
- Use of mildly reactive substances
- Cross-contamination possible
- Some concerted or timed manipulations
- Experiments in which a display is used
- Multi-step procedures
Safety Precautions:
- Eye protection required
- Gloves required
- Use of UL approved three-prong plug and outlet required
- Absorbent materials on hand
- Perform in a well-ventilated area
- Avoid exposure to mists, gases, and droplets
- Prevent release of reagents to the environment
Class: Acids and Bases
Division: General
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