1. Take a test tube rack with a boiling tube at each end of the rack and 4 tst tubes.
2. Half fill the boiling tube at one end with Sodium Hydroxidde
3 Half fill the boiling tube at the other end with Hydrochloric
4. Fill each test tube with 5 drops of Universal indicater
5. using pipettes you will add drops of the acid or alkiline to the test tubes to make colours of Red, orange, yellow, green, blue, violet.
6. DO NOT MIX UP THE PIPETTES
Equipment:
Universal Indicator
1 M HCl ( Hydrochloric Acid)
1 M NaOH (Sodium Hydroxide)
4 Test tubes
Test tube rack
2 plastic pipettes
.
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