Litmus paper

 Hello readers today we are talking about litmus paper. It can change coler depend on what it is like acline or acid.

Litmus is a tree lichen fungi and is made into small paper strips or a liquid for testing acids or alkaline.

1. Blue Litmus paper determines if something is acidic. It turns red in solutions with a pH less than 7.

2. Red Litmus paper determines if something is alkaline. It turns blue in solutions with a pH greater than 7.

1. Red Litmus paper

2. Blue Litmus paper

3. Sodium Hydroxide

4. Hydrochloride acid

5. Pipette

6. 4 Test tubes

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

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

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

4. Add 3 drop of Sodium Hydroxide to the blue litmus paper in test tube

5. Add 3 drops of Sodium Hydroxide to the blue litmus paper in test tube

6. conclusion

7. it worked

8.