Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email flinn@flinnsci.com
firewatch

A flask of solution is shaken, turning the color of the solution from yellow to red to green and then back to yellow again.

Concepts

  • Oxidation & Reduction
  • Indicators
  • Acids & Bases