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Rija's and Christina's SCIENCE FAIR PROJECT

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by

rijarahmed1@hotmail.com Ahmed

on 30 November 2011

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Transcript of Rija's and Christina's SCIENCE FAIR PROJECT

RIJA'S AND CHRISTINA'S SCIENCE FAIR PROJECT: Titrating the sources of
Vitamin C!!!!! MATERIALS:
Test Samples
Potassium Iodide
Potassium Iodate
Starch
Hydrochloric Acid
Mortar and Pestle
Distilled Water
Filter Cloth & Strainer
Graduated Cylinder
Syringe(s)
Gloves
(if needed) Burette
Graduated Pipette
Flasks/ Beakers/ Glasses
Stirring Rod
Ascorbic Acid
Funnel
Bottle
Paper Towels

Hypothesis:
Question: BACKGROUND RESEARCH!!!!!!!!! REFER TO THE BOARD. THANK YOU!!!

Titration is the process of finding out the amount of an unknown liquid. There is a drop wise addition of a solution of known strength into a mixture in which another substance is present in solution form and its amount is unknown. In this process an indicator substance is added to the unknown mixture to indicate the end of the reaction by changing the color of solution. Bibliography http://www.webmd.com/diet/guide/the-benefits-of-vitamin-c
http://www.outreach.canterbury.ac.nz/chemistry/documents/vitaminc_iodine.pdf
http://www.healthalternatives2000.com/vegetables-nutrition-chart.html#Broccoli

http://www.adrian.edu/chemistry/th/Somelinks/Spages/jfakult/jfakult.php
http://www.merriam-webster.com/
Using the titration method, which test sample has the most most Vitamin C? Based on our literature research, the Red Pepper will have more Vitamin C than many other fruits or vegetables. PROCEDURE Refer to
board! check out the charts
of the samples after the
potassium iodate was added and the amount of vitamin c, we believe, might be in each test samples,
DISCUSSION
AND
CONCLUSION REFER
TO BOARD PLEASE!! Independent Variable: The fruits and vegetable. Everything remains constant but the test samples we chose were different. Dependent Variable: The dependent variable are mostly measured in milliliters for each test sample. We used it in order to determine how many drops of Potassium Iodate we used until, the Vitamin C disappeared.


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