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Vitamin C can kill

Members: Jason (leader) Chua Wen Hao Chua Sin Hui Poo Jing Ling

Wen Hao Chua

on 26 November 2010

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Transcript of Vitamin C can kill

Aim To find out the effect of light on vitamin C. Hypothesis The higher the light intensity, the more vitamin C are destroyed in the orange juice. Apparatus
for experiment for indicator VITAMIN C
Project B group 1 Procedures step 1 step 2 step 3 step 4 step5 step 6 step 7 step 8 step 9 step 10 step 11 step 12 step 13 step 14 step 16 step 17 step 18 step 19 step 20 step 21 step 22 1 gram 2 ml 2 ml (x2) 100 ml Research Variables Dependant variable Independant variable Controlled variable (x3) (x5 50ml) Starch-iodine solution (indicator) (x2) 15 cm What is Vitamin C? What makes Vitamin C deteriorate? Why is Vitamin C sensitive to light? What indicator can we use? Why do we use Starch-Iodine? How to make indicator? Is there a better indicator? Tables Graphs Conclusion Attendance step 15 THANK YOU
FOR YOUR ATTENTION (: tincture of iodine step 1 step 2 step 3 The higher the light intensity, the more vitamin C
are destroyed in the orange juice
WITHOUT the presence of heat and air Sources
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