1. THE CHARACTERISTIC OF BASE
topic
THE CHARACTERISTIC OF BASE

2. BASIC COMPETENCE
CLASSIFYING AND COMMUNICATING THE CHARACTERISTICS OF BASE

3. INDICATOR
STUDENT ARE ABLE TO IDENTIFY THE CHARACTERISTICS OF BASE

4. EQUIPMENT AND MATERIAL
AMMONIA
LITMUS PAPER
BEAKER GLASS 100 ML
ORANGE JUICE
WATER

5. PROCEDURE
1.Prepare some kind of solution in the beaker glass with the:
a. orange juice
b. ammonia
c. water
2. Immerse blue litmus paper into each solution?
3. Observe what will happen the change of the blue litmus paper !
4. Write the color change of the litmus paper on the table?
5. Repeat the procedure point 1 up to point 3 by using the red litmus paper
6. Write the color change of the litmus paper on the table?

6. The table of litmus paper color changes
Orange juice
ammonia
water
Red
blue

7. Table change of litmus paper colour
The table of litmus paper color changes
Litmus paper
Orange juice
ammonia
water
Red
blue
red
Blue

8. ANALYSIS
Is there any litmus paper color change when the blue litmus paper is immersed into the orange juice?
Is there any litmus paper color change when the blue litmus paper is immersed into the ammonia?
Is there any litmus paper color change when the blue litmus paper is immersed in to the water?

9. CONCLUSION
1. If the blue litmus paper is immersed into the orange juice, the color of the litmus paper will change from blue to red
2. If the blue litmus paper is immersed into the ammonia, the color of the litmus paper will not change
3. If the blue litmus paper is immersed into water, the color of the litmus paper will not change.
4. If the red litmus paper is immersed into the orange juice, the color of the litmus paper will not change
5. If the red litmus paper is immersed into the ammonia, the color of the litmus paper will change from red to blue
6. If the red litmus paper is immersed into water, the color of the litmus paper will not change.