Litmus Paper (science class)

 Materials:

1. Red litmus paper
2. Blue litmus paper
3. Sodium hydroxide
4. Hydrcloric acid
5. Pipette
6. 4 test tubes

Steps:

1. Rip the litmus paper in half and put it in each test tube
2. Add 3 drops of Hydrocloric acid to the blue litmus paper in test tube 1
3. Add 3 drops of Hydrocloric acid to the red litmus paper in test tube 2
4. Add 3 drops of Sodium Hydroxide to the blue litmus paper in test tube 3
5. Add 3 drops of Sodium Hydroxide to the red litmus paper in test tube 4

Findings

Blue litmus paper when added to hydrcloric acid turned red

Blue litmus paper when added to Sodium hydroxide stayed blue

Red litmus paper when added to Hydrcloric acid stayed red

Red litmus paper when added to sodium hydroxide went blue