Chemical Reaction

CHEMICAL REACTION

By Yusuf Kirana R. 7-A

Foreword Thanks to God, because of Him, I can do this task, and thanks to Mr. Setiawan that support and believes, I can do this task. This task is about “Chemical Reaction”

Writer, Yusuf Kirana R.

Basic Competence To identify simple chemical reaction using simple experiment Indicators We are able to: • Make a reaction two matters to indicate color change and or temperature. •

Conclude the characteristics of chemical reaction base on color change and or temperature.

Key Word 1.Chemical Reaction Definition • A chemical reaction is a process that always results in the introversions of chemical substances

The Experiment Purpose To know how the chemical reaction at flour solution, iodine and vitamin c if the all materials put into glass together Material and tools Glass

Iodine

Water

Flour

Vitamin C

Spoon

Procedures • Prepare the Materials and Tools • Pour the water into the glass • Pour the flour into the glass of water • Drops the iodine into flour solution • Stir and wait until the color is change • After the color is change, put the vitamin C • Next, what happen?

The Result Color Change

Matter

Clean become white

Water and Because flour Flour solution is Heterogeneous mixture

White become purple

Flour Because flour is solution has and iodinecarbohydrate

Yellow become clean

Vitamin c Because and iodinevitamin c has no carbohydrate

Conclusion

Explanation

We can know that, iodine can make chemical reaction. And we know that flour is made of carbohydrate.