acids and bases lab physical science 8 january 2014
TRANSCRIPT
Acids and Bases Lab
Physical Science 8January 2014
Day 1: Control Set-up
Today, we will be testing three known substances to create a color scale to compare unknowns tomorrow in our experimental group.
Vinegar Water Ammonia
Red Cabbage Juice Indicator
Pink = _________________Purple = _______________Blue/green= ____________
Read the ENTIRE strip and match it to the closest number. (check BOTH SIDES OF THE BOX.) Be sure to hold the strip with the colors down, and do not touchthe color boxes with your fingers!
pH paper strips
Day 2: Experimental Group
Today, you will test substances of unknown pH. Using your knowledge from the testing of knowns yesterday, you will determine the pH of the unknown substances.