Design a chemical stop-clock using different dilutions of two colourless solutions which, when mixed together will remain colourless for a period of time and then suddenly change to a deep blue colour.
Downloads
A chemical stop-clock - iodine clock reaction - teacher
Experiment | PDF, Size 0.27 mbA chemical stop-clock - iodine clock reaction - student handout
Experiment | PDF, Size 0.25 mbIndex of activities and junk list final
PDF, Size 0.34 mb
Postscript
Image © Shutterstock
No comments yet