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Tuesday, May 10, 2011

Labs cont.

Well, we ddid more labs today in chemistry.




 
Burning M&M Lab

Ingredients:
m&ms
fingerful of KClO3

Test tube
Erlenmeyer flask
Two tongs
Test tube clamp

Directions:
The potassium chlorate was placed in the test tube. The tube was then held over the flame from the Bunsen burner. When the potassium chlorate had turned into a liquid, the test tube was placed in the Erlenmeyer flask. Two m&ms were slid into the test tube. The result was a brilliant purple flame.

CSI Fingerprints

Ingredients:
Iodine crystals

Match
Erlenmeyer flask
Kleenex
Strip of index card
Matches

Directions:
Put very little iodine in the flask. Place finger on index card. Place index card in flask so that the iodine is on the opposite side of the fingerprint. Put Kleenex in the opening.  Hold flame to the iodine until purple is visible.
The fingerprints will show up on the card.

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