Litmus Paper

 Hello readers

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.

Materials:

1. Red Litmus paper

2. Blue Litmus paper

3. Sodium Hydroxide

4. Hydrochloric acid

5. Pipette

6. 4 Test tubes

Steps:

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

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

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

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

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

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