1. Take test tube rack with 1 boiling tube at each end of the rack and 4 test tubes.
2. Half fill the boiling tube at one end with Soldium Hydroxide.
3. Half fill the boiling tibe at the other end with Hydrochloric acid.
4. Fill each test tube with 5 drops of Universal indicator.
5. Using the pipettes you will add drops of the acid or alkaline to the test tubes to make red, orange, yellow, green , blue and purple.
6. DO NOT MIX UP THE PIPETTES
