Litmus

Kia Ora Everyone! in our science class we did an expiriment called litmus paper and below is the needed to do the expirement.

Materials: 

1. Red litmus paper

2. Blue litmus paper

3. sodium Hydroxide

4. Hydrochoric acid

5. pipette

6. 4 test tubes

Steps:

1. Rip the paper in half and put half in each test tube.

2. Add 3 drops of hydrochoric acid to the blue litmus paper in test tube 1.

3. Add 3 drops of hydrochoric acid to the red litmus paper in test tube 2

4. Add three drops of sodium Hydroxide  to the blue litmus paper in test tube 3.

5. Add three drops of sodium Hydroxide  to the red litmus paper in test tube 4.

Thank you for reading it I hope you like it. Have a nice day.