The Purple Bottle
Reach into your kit & pull out the bag that says Experiment 16. Take everything out of the bag and place it around your white mat.
Grab the bottle of purple liquid and place it in the center of your mat. Take off the cap and add the entire container of Vitamin C.
Next, uncap the bottle and slowly add in the entire bottle of Copper Sulfate. Gently squeeze in a little bit at a time.
Put that cap back on the bottle of liquid, and make sure it is really tight. Then, shake the bottle quickly for 3 seconds.
Now watch closely to see the chemical reaction happening. We see the liquid turn dark purple, but wait, it starts to change back to clear again!
If you shake the bottle again 3 times you can create the chemical reaction over and over again.
What happens if you shake the bottle upside-down? Does it react the same? Next, try shaking it really hard to make it super dark purple.
If you end up having stains, All you have to do is empty the container of destaining powder into a cup with 1 cup of water and stir.
How It Works
We call this oxidation from the word oxygen. But when we let it sit long enough, the Vitamin C in the water does the opposite and undoes the oxidation. We call Vitamin C an antioxidant. This process happens slowly but it reverses the color reaction completely. This cycle can repeat about 10 times before all of the Vitamin C is used up.
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