in this part of the experiment you and your partner will prepare one of the sets of indicator solutions to be used by the entire class.
The set will include 11 solutions in test tube ranging in pH from 2 to 12, and it will show the colors given by a certain indicator over this pH range
other groups will prepare similar sets with other indicators so you all can observe the colors give by various indicators.
Recommended indicators are methyl orange phenolphthalein, bromthymol blue alizarin yellow and methyl red but may be substituted.