10.9 The pH Scale and Meter
SUMMARY
The pH of normal household solutions are discussed. The pH meter is used to show the pH of various solutions. Duration: 5:09.
VIDEO CHECK QUESTIONS
10.9a Is milk an acidic or basic solution?
10.9b What are two acids that contribute to the acidity of a cola drink?
10.9c Why is the log function used in the definition of pH?
All video check questions can be downloaded from the EXTRAs menu.